38706980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{148873}}^1$

素因数の和:148895

約数の個数: 24

約数和(自身を含む): 87537912

約数和(自身を除く): 48830932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 148873, 297746, 595492, 744365, 1488730, 1935349, 2977460, 3870698, 7741396, 9676745, 19353490, 38706980]

約数ペア:

[(1, 38706980), (2, 19353490), (4, 9676745), (5, 7741396), (10, 3870698), (13, 2977460), (20, 1935349), (26, 1488730), (52, 744365), (65, 595492), (130, 297746), (260, 148873)]