1637740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6299}}^1$

素因数の和:6321

約数の個数: 24

約数和(自身を含む): 3704400

約数和(自身を除く): 2066660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6299, 12598, 25196, 31495, 62990, 81887, 125980, 163774, 327548, 409435, 818870, 1637740]

約数ペア:

[(1, 1637740), (2, 818870), (4, 409435), (5, 327548), (10, 163774), (13, 125980), (20, 81887), (26, 62990), (52, 31495), (65, 25196), (130, 12598), (260, 6299)]