40032460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1949}}^1$

素因数の和:2050

約数の個数: 48

約数和(自身を含む): 91728000

約数和(自身を除く): 51695540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 1949, 2054, 3898, 4108, 5135, 7796, 9745, 10270, 19490, 20540, 25337, 38980, 50674, 101348, 126685, 153971, 253370, 307942, 506740, 615884, 769855, 1539710, 2001623, 3079420, 4003246, 8006492, 10008115, 20016230, 40032460]

約数ペア:

[(1, 40032460), (2, 20016230), (4, 10008115), (5, 8006492), (10, 4003246), (13, 3079420), (20, 2001623), (26, 1539710), (52, 769855), (65, 615884), (79, 506740), (130, 307942), (158, 253370), (260, 153971), (316, 126685), (395, 101348), (790, 50674), (1027, 38980), (1580, 25337), (1949, 20540), (2054, 19490), (3898, 10270), (4108, 9745), (5135, 7796)]