40475960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 107483760

約数和(自身を除く): 67007800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 107, 140, 193, 196, 214, 245, 280, 386, 392, 428, 490, 535, 749, 772, 856, 965, 980, 1070, 1351, 1498, 1544, 1930, 1960, 2140, 2702, 2996, 3745, 3860, 4280, 5243, 5404, 5992, 6755, 7490, 7720, 9457, 10486, 10808, 13510, 14980, 18914, 20651, 20972, 26215, 27020, 29960, 37828, 41302, 41944, 47285, 52430, 54040, 75656, 82604, 94570, 103255, 104860, 144557, 165208, 189140, 206510, 209720, 289114, 378280, 413020, 578228, 722785, 826040, 1011899, 1156456, 1445570, 2023798, 2891140, 4047596, 5059495, 5782280, 8095192, 10118990, 20237980, 40475960]

約数ペア:

[(1, 40475960), (2, 20237980), (4, 10118990), (5, 8095192), (7, 5782280), (8, 5059495), (10, 4047596), (14, 2891140), (20, 2023798), (28, 1445570), (35, 1156456), (40, 1011899), (49, 826040), (56, 722785), (70, 578228), (98, 413020), (107, 378280), (140, 289114), (193, 209720), (196, 206510), (214, 189140), (245, 165208), (280, 144557), (386, 104860), (392, 103255), (428, 94570), (490, 82604), (535, 75656), (749, 54040), (772, 52430), (856, 47285), (965, 41944), (980, 41302), (1070, 37828), (1351, 29960), (1498, 27020), (1544, 26215), (1930, 20972), (1960, 20651), (2140, 18914), (2702, 14980), (2996, 13510), (3745, 10808), (3860, 10486), (4280, 9457), (5243, 7720), (5404, 7490), (5992, 6755)]