2021822480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{815251}}^1$

素因数の和:815295

約数の個数: 40

約数和(自身を含む): 4852379904

約数和(自身を除く): 2830557424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 815251, 1630502, 3261004, 4076255, 6522008, 8152510, 13044016, 16305020, 25272781, 32610040, 50545562, 65220080, 101091124, 126363905, 202182248, 252727810, 404364496, 505455620, 1010911240, 2021822480]

約数ペア:

[(1, 2021822480), (2, 1010911240), (4, 505455620), (5, 404364496), (8, 252727810), (10, 202182248), (16, 126363905), (20, 101091124), (31, 65220080), (40, 50545562), (62, 32610040), (80, 25272781), (124, 16305020), (155, 13044016), (248, 8152510), (310, 6522008), (496, 4076255), (620, 3261004), (1240, 1630502), (2480, 815251)]