12721160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10259}}^1$

素因数の和:10301

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 16827640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10259, 20518, 41036, 51295, 82072, 102590, 205180, 318029, 410360, 636058, 1272116, 1590145, 2544232, 3180290, 6360580, 12721160]

約数ペア:

[(1, 12721160), (2, 6360580), (4, 3180290), (5, 2544232), (8, 1590145), (10, 1272116), (20, 636058), (31, 410360), (40, 318029), (62, 205180), (124, 102590), (155, 82072), (248, 51295), (310, 41036), (620, 20518), (1240, 10259)]