4428040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3613

約数の個数: 32

約数和(自身を含む): 10287360

約数和(自身を除く): 5859320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 3571, 7142, 14284, 17855, 28568, 35710, 71420, 110701, 142840, 221402, 442804, 553505, 885608, 1107010, 2214020, 4428040]

約数ペア:

[(1, 4428040), (2, 2214020), (4, 1107010), (5, 885608), (8, 553505), (10, 442804), (20, 221402), (31, 142840), (40, 110701), (62, 71420), (124, 35710), (155, 28568), (248, 17855), (310, 14284), (620, 7142), (1240, 3571)]