88750000

素因数分解:

$2^4\times 5^7\times {\mathrm{71}}^1$

素因数の和:114

約数の個数: 80

約数和(自身を含む): 217968192

約数和(自身を除く): 129218192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 125, 142, 200, 250, 284, 355, 400, 500, 568, 625, 710, 1000, 1136, 1250, 1420, 1775, 2000, 2500, 2840, 3125, 3550, 5000, 5680, 6250, 7100, 8875, 10000, 12500, 14200, 15625, 17750, 25000, 28400, 31250, 35500, 44375, 50000, 62500, 71000, 78125, 88750, 125000, 142000, 156250, 177500, 221875, 250000, 312500, 355000, 443750, 625000, 710000, 887500, 1109375, 1250000, 1775000, 2218750, 3550000, 4437500, 5546875, 8875000, 11093750, 17750000, 22187500, 44375000, 88750000]

約数ペア:

[(1, 88750000), (2, 44375000), (4, 22187500), (5, 17750000), (8, 11093750), (10, 8875000), (16, 5546875), (20, 4437500), (25, 3550000), (40, 2218750), (50, 1775000), (71, 1250000), (80, 1109375), (100, 887500), (125, 710000), (142, 625000), (200, 443750), (250, 355000), (284, 312500), (355, 250000), (400, 221875), (500, 177500), (568, 156250), (625, 142000), (710, 125000), (1000, 88750), (1136, 78125), (1250, 71000), (1420, 62500), (1775, 50000), (2000, 44375), (2500, 35500), (2840, 31250), (3125, 28400), (3550, 25000), (5000, 17750), (5680, 15625), (6250, 14200), (7100, 12500), (8875, 10000)]