121521640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{41617}}^1$

素因数の和:41701

約数の個数: 32

約数和(自身を含む): 277175880

約数和(自身を除く): 155654240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 41617, 83234, 166468, 208085, 332936, 416170, 832340, 1664680, 3038041, 6076082, 12152164, 15190205, 24304328, 30380410, 60760820, 121521640]

約数ペア:

[(1, 121521640), (2, 60760820), (4, 30380410), (5, 24304328), (8, 15190205), (10, 12152164), (20, 6076082), (40, 3038041), (73, 1664680), (146, 832340), (292, 416170), (365, 332936), (584, 208085), (730, 166468), (1460, 83234), (2920, 41617)]