24996875000

素因数分解:

$2^3\times 5^8\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:486

約数の個数: 144

約数和(自身を含む): 61816374600

約数和(自身を除く): 36819499600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 421, 475, 500, 625, 760, 842, 950, 1000, 1250, 1684, 1900, 2105, 2375, 2500, 3125, 3368, 3800, 4210, 4750, 5000, 6250, 7999, 8420, 9500, 10525, 11875, 12500, 15625, 15998, 16840, 19000, 21050, 23750, 25000, 31250, 31996, 39995, 42100, 47500, 52625, 59375, 62500, 63992, 78125, 79990, 84200, 95000, 105250, 118750, 125000, 156250, 159980, 199975, 210500, 237500, 263125, 296875, 312500, 319960, 390625, 399950, 421000, 475000, 526250, 593750, 625000, 781250, 799900, 999875, 1052500, 1187500, 1315625, 1484375, 1562500, 1599800, 1999750, 2105000, 2375000, 2631250, 2968750, 3125000, 3999500, 4999375, 5262500, 5937500, 6578125, 7421875, 7999000, 9998750, 10525000, 11875000, 13156250, 14843750, 19997500, 24996875, 26312500, 29687500, 32890625, 39995000, 49993750, 52625000, 59375000, 65781250, 99987500, 124984375, 131562500, 164453125, 199975000, 249968750, 263125000, 328906250, 499937500, 624921875, 657812500, 999875000, 1249843750, 1315625000, 2499687500, 3124609375, 4999375000, 6249218750, 12498437500, 24996875000]

約数ペア:

[(1, 24996875000), (2, 12498437500), (4, 6249218750), (5, 4999375000), (8, 3124609375), (10, 2499687500), (19, 1315625000), (20, 1249843750), (25, 999875000), (38, 657812500), (40, 624921875), (50, 499937500), (76, 328906250), (95, 263125000), (100, 249968750), (125, 199975000), (152, 164453125), (190, 131562500), (200, 124984375), (250, 99987500), (380, 65781250), (421, 59375000), (475, 52625000), (500, 49993750), (625, 39995000), (760, 32890625), (842, 29687500), (950, 26312500), (1000, 24996875), (1250, 19997500), (1684, 14843750), (1900, 13156250), (2105, 11875000), (2375, 10525000), (2500, 9998750), (3125, 7999000), (3368, 7421875), (3800, 6578125), (4210, 5937500), (4750, 5262500), (5000, 4999375), (6250, 3999500), (7999, 3125000), (8420, 2968750), (9500, 2631250), (10525, 2375000), (11875, 2105000), (12500, 1999750), (15625, 1599800), (15998, 1562500), (16840, 1484375), (19000, 1315625), (21050, 1187500), (23750, 1052500), (25000, 999875), (31250, 799900), (31996, 781250), (39995, 625000), (42100, 593750), (47500, 526250), (52625, 475000), (59375, 421000), (62500, 399950), (63992, 390625), (78125, 319960), (79990, 312500), (84200, 296875), (95000, 263125), (105250, 237500), (118750, 210500), (125000, 199975), (156250, 159980)]