1986140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7639}}^1$

素因数の和:7661

約数の個数: 24

約数和(自身を含む): 4492320

約数和(自身を除く): 2506180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7639, 15278, 30556, 38195, 76390, 99307, 152780, 198614, 397228, 496535, 993070, 1986140]

約数ペア:

[(1, 1986140), (2, 993070), (4, 496535), (5, 397228), (10, 198614), (13, 152780), (20, 99307), (26, 76390), (52, 38195), (65, 30556), (130, 15278), (260, 7639)]