97886840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{78941}}^1$

素因数の和:78983

約数の個数: 32

約数和(自身を含む): 227352960

約数和(自身を除く): 129466120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 78941, 157882, 315764, 394705, 631528, 789410, 1578820, 2447171, 3157640, 4894342, 9788684, 12235855, 19577368, 24471710, 48943420, 97886840]

約数ペア:

[(1, 97886840), (2, 48943420), (4, 24471710), (5, 19577368), (8, 12235855), (10, 9788684), (20, 4894342), (31, 3157640), (40, 2447171), (62, 1578820), (124, 789410), (155, 631528), (248, 394705), (310, 315764), (620, 157882), (1240, 78941)]