4001140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 9878400

約数和(自身を除く): 5877260

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1399, 1430, 2798, 2860, 5596, 6995, 13990, 15389, 18187, 27980, 30778, 36374, 61556, 72748, 76945, 90935, 153890, 181870, 200057, 307780, 363740, 400114, 800228, 1000285, 2000570, 4001140]

約数ペア:

[(1, 4001140), (2, 2000570), (4, 1000285), (5, 800228), (10, 400114), (11, 363740), (13, 307780), (20, 200057), (22, 181870), (26, 153890), (44, 90935), (52, 76945), (55, 72748), (65, 61556), (110, 36374), (130, 30778), (143, 27980), (220, 18187), (260, 15389), (286, 13990), (572, 6995), (715, 5596), (1399, 2860), (1430, 2798)]