9995916670

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{64171}}^1$

素因数の和:64636

約数の個数: 32

約数和(自身を含む): 18523119456

約数和(自身を除く): 8527202786

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 421, 842, 2105, 4210, 15577, 31154, 64171, 77885, 128342, 155770, 320855, 641710, 2374327, 4748654, 11871635, 23743270, 27015991, 54031982, 135079955, 270159910, 999591667, 1999183334, 4997958335, 9995916670]

約数ペア:

[(1, 9995916670), (2, 4997958335), (5, 1999183334), (10, 999591667), (37, 270159910), (74, 135079955), (185, 54031982), (370, 27015991), (421, 23743270), (842, 11871635), (2105, 4748654), (4210, 2374327), (15577, 641710), (31154, 320855), (64171, 155770), (77885, 128342)]