25025990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 27228730

約数列:

[1, 2, 5, 10, 11, 22, 31, 41, 55, 62, 82, 110, 155, 179, 205, 310, 341, 358, 410, 451, 682, 895, 902, 1271, 1705, 1790, 1969, 2255, 2542, 3410, 3938, 4510, 5549, 6355, 7339, 9845, 11098, 12710, 13981, 14678, 19690, 27745, 27962, 36695, 55490, 61039, 69905, 73390, 80729, 122078, 139810, 161458, 227509, 305195, 403645, 455018, 610390, 807290, 1137545, 2275090, 2502599, 5005198, 12512995, 25025990]

約数ペア:

[(1, 25025990), (2, 12512995), (5, 5005198), (10, 2502599), (11, 2275090), (22, 1137545), (31, 807290), (41, 610390), (55, 455018), (62, 403645), (82, 305195), (110, 227509), (155, 161458), (179, 139810), (205, 122078), (310, 80729), (341, 73390), (358, 69905), (410, 61039), (451, 55490), (682, 36695), (895, 27962), (902, 27745), (1271, 19690), (1705, 14678), (1790, 13981), (1969, 12710), (2255, 11098), (2542, 9845), (3410, 7339), (3938, 6355), (4510, 5549)]