129201640

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{21391}}^1$

素因数の和:21553

約数の個数: 32

約数和(自身を含む): 292642560

約数和(自身を除く): 163440920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 21391, 42782, 85564, 106955, 171128, 213910, 427820, 855640, 3230041, 6460082, 12920164, 16150205, 25840328, 32300410, 64600820, 129201640]

約数ペア:

[(1, 129201640), (2, 64600820), (4, 32300410), (5, 25840328), (8, 16150205), (10, 12920164), (20, 6460082), (40, 3230041), (151, 855640), (302, 427820), (604, 213910), (755, 171128), (1208, 106955), (1510, 85564), (3020, 42782), (6040, 21391)]