99970040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80621}}^1$

素因数の和:80663

約数の個数: 32

約数和(自身を含む): 232191360

約数和(自身を除く): 132221320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 80621, 161242, 322484, 403105, 644968, 806210, 1612420, 2499251, 3224840, 4998502, 9997004, 12496255, 19994008, 24992510, 49985020, 99970040]

約数ペア:

[(1, 99970040), (2, 49985020), (4, 24992510), (5, 19994008), (8, 12496255), (10, 9997004), (20, 4998502), (31, 3224840), (40, 2499251), (62, 1612420), (124, 806210), (155, 644968), (248, 403105), (310, 322484), (620, 161242), (1240, 80621)]