8013980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2371}}^1$

素因数の和:2406

約数の個数: 36

約数和(自身を含む): 18231192

約数和(自身を除く): 10217212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2371, 3380, 4742, 9484, 11855, 23710, 30823, 47420, 61646, 123292, 154115, 308230, 400699, 616460, 801398, 1602796, 2003495, 4006990, 8013980]

約数ペア:

[(1, 8013980), (2, 4006990), (4, 2003495), (5, 1602796), (10, 801398), (13, 616460), (20, 400699), (26, 308230), (52, 154115), (65, 123292), (130, 61646), (169, 47420), (260, 30823), (338, 23710), (676, 11855), (845, 9484), (1690, 4742), (2371, 3380)]