54891980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1129}}^1$

素因数の和:1179

約数の個数: 96

約数和(自身を含む): 143519040

約数和(自身を除く): 88627060

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 130, 143, 170, 187, 220, 221, 260, 286, 340, 374, 442, 572, 715, 748, 884, 935, 1105, 1129, 1430, 1870, 2210, 2258, 2431, 2860, 3740, 4420, 4516, 4862, 5645, 9724, 11290, 12155, 12419, 14677, 19193, 22580, 24310, 24838, 29354, 38386, 48620, 49676, 58708, 62095, 73385, 76772, 95965, 124190, 146770, 161447, 191930, 211123, 248380, 249509, 293540, 322894, 383860, 422246, 499018, 645788, 807235, 844492, 998036, 1055615, 1247545, 1614470, 2111230, 2495090, 2744599, 3228940, 4222460, 4990180, 5489198, 10978396, 13722995, 27445990, 54891980]

約数ペア:

[(1, 54891980), (2, 27445990), (4, 13722995), (5, 10978396), (10, 5489198), (11, 4990180), (13, 4222460), (17, 3228940), (20, 2744599), (22, 2495090), (26, 2111230), (34, 1614470), (44, 1247545), (52, 1055615), (55, 998036), (65, 844492), (68, 807235), (85, 645788), (110, 499018), (130, 422246), (143, 383860), (170, 322894), (187, 293540), (220, 249509), (221, 248380), (260, 211123), (286, 191930), (340, 161447), (374, 146770), (442, 124190), (572, 95965), (715, 76772), (748, 73385), (884, 62095), (935, 58708), (1105, 49676), (1129, 48620), (1430, 38386), (1870, 29354), (2210, 24838), (2258, 24310), (2431, 22580), (2860, 19193), (3740, 14677), (4420, 12419), (4516, 12155), (4862, 11290), (5645, 9724)]