129631780

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{5741}}^1$

素因数の和:6879

約数の個数: 24

約数和(自身を含む): 272515320

約数和(自身を除く): 142883540

約数列:

[1, 2, 4, 5, 10, 20, 1129, 2258, 4516, 5645, 5741, 11290, 11482, 22580, 22964, 28705, 57410, 114820, 6481589, 12963178, 25926356, 32407945, 64815890, 129631780]

約数ペア:

[(1, 129631780), (2, 64815890), (4, 32407945), (5, 25926356), (10, 12963178), (20, 6481589), (1129, 114820), (2258, 57410), (4516, 28705), (5645, 22964), (5741, 22580), (11290, 11482)]