812047480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{654877}}^1$

素因数の和:654919

約数の個数: 32

約数和(自身を含む): 1886048640

約数和(自身を除く): 1074001160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 654877, 1309754, 2619508, 3274385, 5239016, 6548770, 13097540, 20301187, 26195080, 40602374, 81204748, 101505935, 162409496, 203011870, 406023740, 812047480]

約数ペア:

[(1, 812047480), (2, 406023740), (4, 203011870), (5, 162409496), (8, 101505935), (10, 81204748), (20, 40602374), (31, 26195080), (40, 20301187), (62, 13097540), (124, 6548770), (155, 5239016), (248, 3274385), (310, 2619508), (620, 1309754), (1240, 654877)]