31625000

素因数分解:

$2^3\times 5^6\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:70

約数の個数: 112

約数和(自身を含む): 84373920

約数和(自身を除く): 52748920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 25, 40, 44, 46, 50, 55, 88, 92, 100, 110, 115, 125, 184, 200, 220, 230, 250, 253, 275, 440, 460, 500, 506, 550, 575, 625, 920, 1000, 1012, 1100, 1150, 1250, 1265, 1375, 2024, 2200, 2300, 2500, 2530, 2750, 2875, 3125, 4600, 5000, 5060, 5500, 5750, 6250, 6325, 6875, 10120, 11000, 11500, 12500, 12650, 13750, 14375, 15625, 23000, 25000, 25300, 27500, 28750, 31250, 31625, 34375, 50600, 55000, 57500, 62500, 63250, 68750, 71875, 115000, 125000, 126500, 137500, 143750, 158125, 171875, 253000, 275000, 287500, 316250, 343750, 359375, 575000, 632500, 687500, 718750, 790625, 1265000, 1375000, 1437500, 1581250, 2875000, 3162500, 3953125, 6325000, 7906250, 15812500, 31625000]

約数ペア:

[(1, 31625000), (2, 15812500), (4, 7906250), (5, 6325000), (8, 3953125), (10, 3162500), (11, 2875000), (20, 1581250), (22, 1437500), (23, 1375000), (25, 1265000), (40, 790625), (44, 718750), (46, 687500), (50, 632500), (55, 575000), (88, 359375), (92, 343750), (100, 316250), (110, 287500), (115, 275000), (125, 253000), (184, 171875), (200, 158125), (220, 143750), (230, 137500), (250, 126500), (253, 125000), (275, 115000), (440, 71875), (460, 68750), (500, 63250), (506, 62500), (550, 57500), (575, 55000), (625, 50600), (920, 34375), (1000, 31625), (1012, 31250), (1100, 28750), (1150, 27500), (1250, 25300), (1265, 25000), (1375, 23000), (2024, 15625), (2200, 14375), (2300, 13750), (2500, 12650), (2530, 12500), (2750, 11500), (2875, 11000), (3125, 10120), (4600, 6875), (5000, 6325), (5060, 6250), (5500, 5750)]