2123420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8167}}^1$

素因数の和:8189

約数の個数: 24

約数和(自身を含む): 4802784

約数和(自身を除く): 2679364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8167, 16334, 32668, 40835, 81670, 106171, 163340, 212342, 424684, 530855, 1061710, 2123420]

約数ペア:

[(1, 2123420), (2, 1061710), (4, 530855), (5, 424684), (10, 212342), (13, 163340), (20, 106171), (26, 81670), (52, 40835), (65, 32668), (130, 16334), (260, 8167)]