461240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1$

素因数の和:911

約数の個数: 32

約数和(自身を含む): 1118880

約数和(自身を除く): 657640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 887, 1774, 3548, 4435, 7096, 8870, 11531, 17740, 23062, 35480, 46124, 57655, 92248, 115310, 230620, 461240]

約数ペア:

[(1, 461240), (2, 230620), (4, 115310), (5, 92248), (8, 57655), (10, 46124), (13, 35480), (20, 23062), (26, 17740), (40, 11531), (52, 8870), (65, 7096), (104, 4435), (130, 3548), (260, 1774), (520, 887)]