40207856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 90556704

約数和(自身を除く): 50348848

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 83, 104, 136, 137, 166, 208, 221, 272, 274, 332, 442, 548, 664, 884, 1079, 1096, 1328, 1411, 1768, 1781, 2158, 2192, 2329, 2822, 3536, 3562, 4316, 4658, 5644, 7124, 8632, 9316, 11288, 11371, 14248, 17264, 18343, 18632, 22576, 22742, 28496, 30277, 36686, 37264, 45484, 60554, 73372, 90968, 121108, 146744, 147823, 181936, 193307, 242216, 293488, 295646, 386614, 484432, 591292, 773228, 1182584, 1546456, 2365168, 2512991, 3092912, 5025982, 10051964, 20103928, 40207856]

約数ペア:

[(1, 40207856), (2, 20103928), (4, 10051964), (8, 5025982), (13, 3092912), (16, 2512991), (17, 2365168), (26, 1546456), (34, 1182584), (52, 773228), (68, 591292), (83, 484432), (104, 386614), (136, 295646), (137, 293488), (166, 242216), (208, 193307), (221, 181936), (272, 147823), (274, 146744), (332, 121108), (442, 90968), (548, 73372), (664, 60554), (884, 45484), (1079, 37264), (1096, 36686), (1328, 30277), (1411, 28496), (1768, 22742), (1781, 22576), (2158, 18632), (2192, 18343), (2329, 17264), (2822, 14248), (3536, 11371), (3562, 11288), (4316, 9316), (4658, 8632), (5644, 7124)]