12911960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11131}}^1$

素因数の和:11171

約数の個数: 32

約数和(自身を含む): 30056400

約数和(自身を除く): 17144440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 11131, 22262, 44524, 55655, 89048, 111310, 222620, 322799, 445240, 645598, 1291196, 1613995, 2582392, 3227990, 6455980, 12911960]

約数ペア:

[(1, 12911960), (2, 6455980), (4, 3227990), (5, 2582392), (8, 1613995), (10, 1291196), (20, 645598), (29, 445240), (40, 322799), (58, 222620), (116, 111310), (145, 89048), (232, 55655), (290, 44524), (580, 22262), (1160, 11131)]