12267940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 27224064

約数和(自身を除く): 14956124

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 421, 470, 620, 842, 940, 1457, 1684, 2105, 2914, 4210, 5828, 7285, 8420, 13051, 14570, 19787, 26102, 29140, 39574, 52204, 65255, 79148, 98935, 130510, 197870, 261020, 395740, 613397, 1226794, 2453588, 3066985, 6133970, 12267940]

約数ペア:

[(1, 12267940), (2, 6133970), (4, 3066985), (5, 2453588), (10, 1226794), (20, 613397), (31, 395740), (47, 261020), (62, 197870), (94, 130510), (124, 98935), (155, 79148), (188, 65255), (235, 52204), (310, 39574), (421, 29140), (470, 26102), (620, 19787), (842, 14570), (940, 13051), (1457, 8420), (1684, 7285), (2105, 5828), (2914, 4210)]