39496990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23371}}^1$

素因数の和:23404

約数の個数: 24

約数和(自身を含む): 76987368

約数和(自身を除く): 37490378

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 23371, 46742, 116855, 233710, 303823, 607646, 1519115, 3038230, 3949699, 7899398, 19748495, 39496990]

約数ペア:

[(1, 39496990), (2, 19748495), (5, 7899398), (10, 3949699), (13, 3038230), (26, 1519115), (65, 607646), (130, 303823), (169, 233710), (338, 116855), (845, 46742), (1690, 23371)]