40590628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 84601832

約数和(自身を除く): 44011204

約数列:

[1, 2, 4, 13, 17, 26, 34, 37, 52, 68, 73, 74, 146, 148, 221, 289, 292, 442, 481, 578, 629, 884, 949, 962, 1156, 1241, 1258, 1898, 1924, 2482, 2516, 2701, 3757, 3796, 4964, 5402, 7514, 8177, 10693, 10804, 15028, 16133, 16354, 21097, 21386, 32266, 32708, 35113, 42194, 42772, 45917, 64532, 70226, 84388, 91834, 139009, 140452, 183668, 274261, 278018, 548522, 556036, 596921, 780589, 1097044, 1193842, 1561178, 2387684, 3122356, 10147657, 20295314, 40590628]

約数ペア:

[(1, 40590628), (2, 20295314), (4, 10147657), (13, 3122356), (17, 2387684), (26, 1561178), (34, 1193842), (37, 1097044), (52, 780589), (68, 596921), (73, 556036), (74, 548522), (146, 278018), (148, 274261), (221, 183668), (289, 140452), (292, 139009), (442, 91834), (481, 84388), (578, 70226), (629, 64532), (884, 45917), (949, 42772), (962, 42194), (1156, 35113), (1241, 32708), (1258, 32266), (1898, 21386), (1924, 21097), (2482, 16354), (2516, 16133), (2701, 15028), (3757, 10804), (3796, 10693), (4964, 8177), (5402, 7514)]