25622704

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 51402960

約数和(自身を除く): 25780256

約数列:

[1, 2, 4, 8, 16, 41, 82, 139, 164, 278, 281, 328, 556, 562, 656, 1112, 1124, 2224, 2248, 4496, 5699, 11398, 11521, 22796, 23042, 39059, 45592, 46084, 78118, 91184, 92168, 156236, 184336, 312472, 624944, 1601419, 3202838, 6405676, 12811352, 25622704]

約数ペア:

[(1, 25622704), (2, 12811352), (4, 6405676), (8, 3202838), (16, 1601419), (41, 624944), (82, 312472), (139, 184336), (164, 156236), (278, 92168), (281, 91184), (328, 78118), (556, 46084), (562, 45592), (656, 39059), (1112, 23042), (1124, 22796), (2224, 11521), (2248, 11398), (4496, 5699)]