25371008

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 55406400

約数和(自身を除く): 30035392

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 158, 193, 208, 316, 386, 416, 632, 772, 832, 1027, 1264, 1544, 1664, 2054, 2509, 2528, 3088, 4108, 5018, 5056, 6176, 8216, 10036, 10112, 12352, 15247, 16432, 20072, 24704, 30494, 32864, 40144, 60988, 65728, 80288, 121976, 131456, 160576, 198211, 243952, 321152, 396422, 487904, 792844, 975808, 1585688, 1951616, 3171376, 6342752, 12685504, 25371008]

約数ペア:

[(1, 25371008), (2, 12685504), (4, 6342752), (8, 3171376), (13, 1951616), (16, 1585688), (26, 975808), (32, 792844), (52, 487904), (64, 396422), (79, 321152), (104, 243952), (128, 198211), (158, 160576), (193, 131456), (208, 121976), (316, 80288), (386, 65728), (416, 60988), (632, 40144), (772, 32864), (832, 30494), (1027, 24704), (1264, 20072), (1544, 16432), (1664, 15247), (2054, 12352), (2509, 10112), (2528, 10036), (3088, 8216), (4108, 6176), (5018, 5056)]