983786960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{945949}}^1$

素因数の和:945975

約数の個数: 40

約数和(自身を含む): 2463253800

約数和(自身を除く): 1479466840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 945949, 1891898, 3783796, 4729745, 7567592, 9459490, 12297337, 15135184, 18918980, 24594674, 37837960, 49189348, 61486685, 75675920, 98378696, 122973370, 196757392, 245946740, 491893480, 983786960]

約数ペア:

[(1, 983786960), (2, 491893480), (4, 245946740), (5, 196757392), (8, 122973370), (10, 98378696), (13, 75675920), (16, 61486685), (20, 49189348), (26, 37837960), (40, 24594674), (52, 18918980), (65, 15135184), (80, 12297337), (104, 9459490), (130, 7567592), (208, 4729745), (260, 3783796), (520, 1891898), (1040, 945949)]