126268840

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{3251}}^1$

素因数の和:4233

約数の個数: 32

約数和(自身を含む): 284484960

約数和(自身を除く): 158216120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1942, 3251, 3884, 4855, 6502, 7768, 9710, 13004, 16255, 19420, 26008, 32510, 38840, 65020, 130040, 3156721, 6313442, 12626884, 15783605, 25253768, 31567210, 63134420, 126268840]

約数ペア:

[(1, 126268840), (2, 63134420), (4, 31567210), (5, 25253768), (8, 15783605), (10, 12626884), (20, 6313442), (40, 3156721), (971, 130040), (1942, 65020), (3251, 38840), (3884, 32510), (4855, 26008), (6502, 19420), (7768, 16255), (9710, 13004)]