25941110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 53512704

約数和(自身を除く): 27571594

約数列:

[1, 2, 5, 10, 13, 26, 31, 41, 62, 65, 82, 130, 155, 157, 205, 310, 314, 403, 410, 533, 785, 806, 1066, 1271, 1570, 2015, 2041, 2542, 2665, 4030, 4082, 4867, 5330, 6355, 6437, 9734, 10205, 12710, 12874, 16523, 20410, 24335, 32185, 33046, 48670, 63271, 64370, 82615, 83681, 126542, 165230, 167362, 199547, 316355, 399094, 418405, 632710, 836810, 997735, 1995470, 2594111, 5188222, 12970555, 25941110]

約数ペア:

[(1, 25941110), (2, 12970555), (5, 5188222), (10, 2594111), (13, 1995470), (26, 997735), (31, 836810), (41, 632710), (62, 418405), (65, 399094), (82, 316355), (130, 199547), (155, 167362), (157, 165230), (205, 126542), (310, 83681), (314, 82615), (403, 64370), (410, 63271), (533, 48670), (785, 33046), (806, 32185), (1066, 24335), (1271, 20410), (1570, 16523), (2015, 12874), (2041, 12710), (2542, 10205), (2665, 9734), (4030, 6437), (4082, 6355), (4867, 5330)]