25671568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1487}}^1$

素因数の和:1591

約数の個数: 40

約数和(自身を含む): 54246528

約数和(自身を除く): 28574960

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 1487, 2158, 2974, 4316, 5948, 8632, 11896, 17264, 19331, 23792, 38662, 77324, 123421, 154648, 246842, 309296, 493684, 987368, 1604473, 1974736, 3208946, 6417892, 12835784, 25671568]

約数ペア:

[(1, 25671568), (2, 12835784), (4, 6417892), (8, 3208946), (13, 1974736), (16, 1604473), (26, 987368), (52, 493684), (83, 309296), (104, 246842), (166, 154648), (208, 123421), (332, 77324), (664, 38662), (1079, 23792), (1328, 19331), (1487, 17264), (2158, 11896), (2974, 8632), (4316, 5948)]