2021837360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{815257}}^1$

素因数の和:815301

約数の個数: 40

約数和(自身を含む): 4852415616

約数和(自身を除く): 2830578256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 815257, 1630514, 3261028, 4076285, 6522056, 8152570, 13044112, 16305140, 25272967, 32610280, 50545934, 65220560, 101091868, 126364835, 202183736, 252729670, 404367472, 505459340, 1010918680, 2021837360]

約数ペア:

[(1, 2021837360), (2, 1010918680), (4, 505459340), (5, 404367472), (8, 252729670), (10, 202183736), (16, 126364835), (20, 101091868), (31, 65220560), (40, 50545934), (62, 32610280), (80, 25272967), (124, 16305140), (155, 13044112), (248, 8152570), (310, 6522056), (496, 4076285), (620, 3261028), (1240, 1630514), (2480, 815257)]