25878736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1499}}^1$

素因数の和:1603

約数の個数: 40

約数和(自身を含む): 54684000

約数和(自身を除く): 28805264

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 1499, 2158, 2998, 4316, 5996, 8632, 11992, 17264, 19487, 23984, 38974, 77948, 124417, 155896, 248834, 311792, 497668, 995336, 1617421, 1990672, 3234842, 6469684, 12939368, 25878736]

約数ペア:

[(1, 25878736), (2, 12939368), (4, 6469684), (8, 3234842), (13, 1990672), (16, 1617421), (26, 995336), (52, 497668), (83, 311792), (104, 248834), (166, 155896), (208, 124417), (332, 77948), (664, 38974), (1079, 23984), (1328, 19487), (1499, 17264), (2158, 11992), (2998, 8632), (4316, 5996)]