215533240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{414487}}^1$

素因数の和:414511

約数の個数: 32

約数和(自身を含む): 522254880

約数和(自身を除く): 306721640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 414487, 828974, 1657948, 2072435, 3315896, 4144870, 5388331, 8289740, 10776662, 16579480, 21553324, 26941655, 43106648, 53883310, 107766620, 215533240]

約数ペア:

[(1, 215533240), (2, 107766620), (4, 53883310), (5, 43106648), (8, 26941655), (10, 21553324), (13, 16579480), (20, 10776662), (26, 8289740), (40, 5388331), (52, 4144870), (65, 3315896), (104, 2072435), (130, 1657948), (260, 828974), (520, 414487)]