74813960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143873}}^1$

素因数の和:143897

約数の個数: 32

約数和(自身を含む): 181281240

約数和(自身を除く): 106467280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 143873, 287746, 575492, 719365, 1150984, 1438730, 1870349, 2877460, 3740698, 5754920, 7481396, 9351745, 14962792, 18703490, 37406980, 74813960]

約数ペア:

[(1, 74813960), (2, 37406980), (4, 18703490), (5, 14962792), (8, 9351745), (10, 7481396), (13, 5754920), (20, 3740698), (26, 2877460), (40, 1870349), (52, 1438730), (65, 1150984), (104, 719365), (130, 575492), (260, 287746), (520, 143873)]