23750000

素因数分解:

$2^4\times 5^7\times {\mathrm{19}}^1$

素因数の和:62

約数の個数: 80

約数和(自身を含む): 60546720

約数和(自身を除く): 36796720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 304, 380, 400, 475, 500, 625, 760, 950, 1000, 1250, 1520, 1900, 2000, 2375, 2500, 3125, 3800, 4750, 5000, 6250, 7600, 9500, 10000, 11875, 12500, 15625, 19000, 23750, 25000, 31250, 38000, 47500, 50000, 59375, 62500, 78125, 95000, 118750, 125000, 156250, 190000, 237500, 250000, 296875, 312500, 475000, 593750, 625000, 950000, 1187500, 1250000, 1484375, 2375000, 2968750, 4750000, 5937500, 11875000, 23750000]

約数ペア:

[(1, 23750000), (2, 11875000), (4, 5937500), (5, 4750000), (8, 2968750), (10, 2375000), (16, 1484375), (19, 1250000), (20, 1187500), (25, 950000), (38, 625000), (40, 593750), (50, 475000), (76, 312500), (80, 296875), (95, 250000), (100, 237500), (125, 190000), (152, 156250), (190, 125000), (200, 118750), (250, 95000), (304, 78125), (380, 62500), (400, 59375), (475, 50000), (500, 47500), (625, 38000), (760, 31250), (950, 25000), (1000, 23750), (1250, 19000), (1520, 15625), (1900, 12500), (2000, 11875), (2375, 10000), (2500, 9500), (3125, 7600), (3800, 6250), (4750, 5000)]