131296520

素因数分解:

$2^3\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{2297}}^1$

素因数の和:3737

約数の個数: 32

約数和(自身を含む): 295752600

約数和(自身を除く): 164456080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1429, 2297, 2858, 4594, 5716, 7145, 9188, 11432, 11485, 14290, 18376, 22970, 28580, 45940, 57160, 91880, 3282413, 6564826, 13129652, 16412065, 26259304, 32824130, 65648260, 131296520]

約数ペア:

[(1, 131296520), (2, 65648260), (4, 32824130), (5, 26259304), (8, 16412065), (10, 13129652), (20, 6564826), (40, 3282413), (1429, 91880), (2297, 57160), (2858, 45940), (4594, 28580), (5716, 22970), (7145, 18376), (9188, 14290), (11432, 11485)]