2981420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11467}}^1$

素因数の和:11489

約数の個数: 24

約数和(自身を含む): 6743184

約数和(自身を除く): 3761764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 11467, 22934, 45868, 57335, 114670, 149071, 229340, 298142, 596284, 745355, 1490710, 2981420]

約数ペア:

[(1, 2981420), (2, 1490710), (4, 745355), (5, 596284), (10, 298142), (13, 229340), (20, 149071), (26, 114670), (52, 57335), (65, 45868), (130, 22934), (260, 11467)]