12250040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2531}}^1$

素因数の和:2564

約数の個数: 48

約数和(自身を含む): 30308040

約数和(自身を除く): 18058000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 2531, 4840, 5062, 10124, 12655, 20248, 25310, 27841, 50620, 55682, 101240, 111364, 139205, 222728, 278410, 306251, 556820, 612502, 1113640, 1225004, 1531255, 2450008, 3062510, 6125020, 12250040]

約数ペア:

[(1, 12250040), (2, 6125020), (4, 3062510), (5, 2450008), (8, 1531255), (10, 1225004), (11, 1113640), (20, 612502), (22, 556820), (40, 306251), (44, 278410), (55, 222728), (88, 139205), (110, 111364), (121, 101240), (220, 55682), (242, 50620), (440, 27841), (484, 25310), (605, 20248), (968, 12655), (1210, 10124), (2420, 5062), (2531, 4840)]