2020757570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{1399}}^1$

素因数の和:1731

約数の個数: 64

約数和(自身を含む): 4030387200

約数和(自身を除く): 2009629630

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 271, 410, 533, 542, 1066, 1355, 1399, 2665, 2710, 2798, 3523, 5330, 6995, 7046, 11111, 13990, 17615, 18187, 22222, 35230, 36374, 55555, 57359, 90935, 111110, 114718, 144443, 181870, 286795, 288886, 379129, 573590, 722215, 745667, 758258, 1444430, 1491334, 1895645, 3728335, 3791290, 4928677, 7456670, 9857354, 15544289, 24643385, 31088578, 49286770, 77721445, 155442890, 202075757, 404151514, 1010378785, 2020757570]

約数ペア:

[(1, 2020757570), (2, 1010378785), (5, 404151514), (10, 202075757), (13, 155442890), (26, 77721445), (41, 49286770), (65, 31088578), (82, 24643385), (130, 15544289), (205, 9857354), (271, 7456670), (410, 4928677), (533, 3791290), (542, 3728335), (1066, 1895645), (1355, 1491334), (1399, 1444430), (2665, 758258), (2710, 745667), (2798, 722215), (3523, 573590), (5330, 379129), (6995, 288886), (7046, 286795), (11111, 181870), (13990, 144443), (17615, 114718), (18187, 111110), (22222, 90935), (35230, 57359), (36374, 55555)]