2021036800

素因数分解:

$2^8\times 5^2\times {\mathrm{457}}^1\times {\mathrm{691}}^1$

素因数の和:1174

約数の個数: 108

約数和(自身を含む): 5020583176

約数和(自身を除く): 2999546376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 457, 640, 691, 800, 914, 1280, 1382, 1600, 1828, 2285, 2764, 3200, 3455, 3656, 4570, 5528, 6400, 6910, 7312, 9140, 11056, 11425, 13820, 14624, 17275, 18280, 22112, 22850, 27640, 29248, 34550, 36560, 44224, 45700, 55280, 58496, 69100, 73120, 88448, 91400, 110560, 116992, 138200, 146240, 176896, 182800, 221120, 276400, 292480, 315787, 365600, 442240, 552800, 584960, 631574, 731200, 884480, 1105600, 1263148, 1462400, 1578935, 2211200, 2526296, 2924800, 3157870, 4422400, 5052592, 6315740, 7894675, 10105184, 12631480, 15789350, 20210368, 25262960, 31578700, 40420736, 50525920, 63157400, 80841472, 101051840, 126314800, 202103680, 252629600, 404207360, 505259200, 1010518400, 2021036800]

約数ペア:

[(1, 2021036800), (2, 1010518400), (4, 505259200), (5, 404207360), (8, 252629600), (10, 202103680), (16, 126314800), (20, 101051840), (25, 80841472), (32, 63157400), (40, 50525920), (50, 40420736), (64, 31578700), (80, 25262960), (100, 20210368), (128, 15789350), (160, 12631480), (200, 10105184), (256, 7894675), (320, 6315740), (400, 5052592), (457, 4422400), (640, 3157870), (691, 2924800), (800, 2526296), (914, 2211200), (1280, 1578935), (1382, 1462400), (1600, 1263148), (1828, 1105600), (2285, 884480), (2764, 731200), (3200, 631574), (3455, 584960), (3656, 552800), (4570, 442240), (5528, 365600), (6400, 315787), (6910, 292480), (7312, 276400), (9140, 221120), (11056, 182800), (11425, 176896), (13820, 146240), (14624, 138200), (17275, 116992), (18280, 110560), (22112, 91400), (22850, 88448), (27640, 73120), (29248, 69100), (34550, 58496), (36560, 55280), (44224, 45700)]