1031420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3967}}^1$

素因数の和:3989

約数の個数: 24

約数和(自身を含む): 2333184

約数和(自身を除く): 1301764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3967, 7934, 15868, 19835, 39670, 51571, 79340, 103142, 206284, 257855, 515710, 1031420]

約数ペア:

[(1, 1031420), (2, 515710), (4, 257855), (5, 206284), (10, 103142), (13, 79340), (20, 51571), (26, 39670), (52, 19835), (65, 15868), (130, 7934), (260, 3967)]