8311420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2459}}^1$

素因数の和:2494

約数の個数: 36

約数和(自身を含む): 18907560

約数和(自身を除く): 10596140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2459, 3380, 4918, 9836, 12295, 24590, 31967, 49180, 63934, 127868, 159835, 319670, 415571, 639340, 831142, 1662284, 2077855, 4155710, 8311420]

約数ペア:

[(1, 8311420), (2, 4155710), (4, 2077855), (5, 1662284), (10, 831142), (13, 639340), (20, 415571), (26, 319670), (52, 159835), (65, 127868), (130, 63934), (169, 49180), (260, 31967), (338, 24590), (676, 12295), (845, 9836), (1690, 4918), (2459, 3380)]