2021510140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7775039}}^1$

素因数の和:7775061

約数の個数: 24

約数和(自身を含む): 4571723520

約数和(自身を除く): 2550213380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7775039, 15550078, 31100156, 38875195, 77750390, 101075507, 155500780, 202151014, 404302028, 505377535, 1010755070, 2021510140]

約数ペア:

[(1, 2021510140), (2, 1010755070), (4, 505377535), (5, 404302028), (10, 202151014), (13, 155500780), (20, 101075507), (26, 77750390), (52, 38875195), (65, 31100156), (130, 15550078), (260, 7775039)]