31128340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{50207}}^1$

素因数の和:50247

約数の個数: 24

約数和(自身を含む): 67479552

約数和(自身を除く): 36351212

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 50207, 100414, 200828, 251035, 502070, 1004140, 1556417, 3112834, 6225668, 7782085, 15564170, 31128340]

約数ペア:

[(1, 31128340), (2, 15564170), (4, 7782085), (5, 6225668), (10, 3112834), (20, 1556417), (31, 1004140), (62, 502070), (124, 251035), (155, 200828), (310, 100414), (620, 50207)]