25132016

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 61537728

約数和(自身を除く): 36405712

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 52, 56, 82, 91, 104, 112, 164, 182, 208, 287, 328, 364, 421, 533, 574, 656, 728, 842, 1066, 1148, 1456, 1684, 2132, 2296, 2947, 3368, 3731, 4264, 4592, 5473, 5894, 6736, 7462, 8528, 10946, 11788, 14924, 17261, 21892, 23576, 29848, 34522, 38311, 43784, 47152, 59696, 69044, 76622, 87568, 120827, 138088, 153244, 224393, 241654, 276176, 306488, 448786, 483308, 612976, 897572, 966616, 1570751, 1795144, 1933232, 3141502, 3590288, 6283004, 12566008, 25132016]

約数ペア:

[(1, 25132016), (2, 12566008), (4, 6283004), (7, 3590288), (8, 3141502), (13, 1933232), (14, 1795144), (16, 1570751), (26, 966616), (28, 897572), (41, 612976), (52, 483308), (56, 448786), (82, 306488), (91, 276176), (104, 241654), (112, 224393), (164, 153244), (182, 138088), (208, 120827), (287, 87568), (328, 76622), (364, 69044), (421, 59696), (533, 47152), (574, 43784), (656, 38311), (728, 34522), (842, 29848), (1066, 23576), (1148, 21892), (1456, 17261), (1684, 14924), (2132, 11788), (2296, 10946), (2947, 8528), (3368, 7462), (3731, 6736), (4264, 5894), (4592, 5473)]