2018604080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{2549}}^1$

素因数の和:3102

約数の個数: 80

約数和(自身を含む): 4951692000

約数和(自身を除く): 2933087920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 521, 760, 1042, 1520, 2084, 2549, 2605, 4168, 5098, 5210, 8336, 9899, 10196, 10420, 12745, 19798, 20392, 20840, 25490, 39596, 40784, 41680, 48431, 49495, 50980, 79192, 96862, 98990, 101960, 158384, 193724, 197980, 203920, 242155, 387448, 395960, 484310, 774896, 791920, 968620, 1328029, 1937240, 2656058, 3874480, 5312116, 6640145, 10624232, 13280290, 21248464, 25232551, 26560580, 50465102, 53121160, 100930204, 106242320, 126162755, 201860408, 252325510, 403720816, 504651020, 1009302040, 2018604080]

約数ペア:

[(1, 2018604080), (2, 1009302040), (4, 504651020), (5, 403720816), (8, 252325510), (10, 201860408), (16, 126162755), (19, 106242320), (20, 100930204), (38, 53121160), (40, 50465102), (76, 26560580), (80, 25232551), (95, 21248464), (152, 13280290), (190, 10624232), (304, 6640145), (380, 5312116), (521, 3874480), (760, 2656058), (1042, 1937240), (1520, 1328029), (2084, 968620), (2549, 791920), (2605, 774896), (4168, 484310), (5098, 395960), (5210, 387448), (8336, 242155), (9899, 203920), (10196, 197980), (10420, 193724), (12745, 158384), (19798, 101960), (20392, 98990), (20840, 96862), (25490, 79192), (39596, 50980), (40784, 49495), (41680, 48431)]