2043974440

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{89491}}^1$

素因数の和:90073

約数の個数: 32

約数和(自身を含む): 4607048160

約数和(自身を除く): 2563073720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 4568, 5710, 11420, 22840, 89491, 178982, 357964, 447455, 715928, 894910, 1789820, 3579640, 51099361, 102198722, 204397444, 255496805, 408794888, 510993610, 1021987220, 2043974440]

約数ペア:

[(1, 2043974440), (2, 1021987220), (4, 510993610), (5, 408794888), (8, 255496805), (10, 204397444), (20, 102198722), (40, 51099361), (571, 3579640), (1142, 1789820), (2284, 894910), (2855, 715928), (4568, 447455), (5710, 357964), (11420, 178982), (22840, 89491)]