129829240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{104701}}^1$

素因数の和:104743

約数の個数: 32

約数和(自身を含む): 301541760

約数和(自身を除く): 171712520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 104701, 209402, 418804, 523505, 837608, 1047010, 2094020, 3245731, 4188040, 6491462, 12982924, 16228655, 25965848, 32457310, 64914620, 129829240]

約数ペア:

[(1, 129829240), (2, 64914620), (4, 32457310), (5, 25965848), (8, 16228655), (10, 12982924), (20, 6491462), (31, 4188040), (40, 3245731), (62, 2094020), (124, 1047010), (155, 837608), (248, 523505), (310, 418804), (620, 209402), (1240, 104701)]