131092520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{252101}}^1$

素因数の和:252125

約数の個数: 32

約数和(自身を含む): 317648520

約数和(自身を除く): 186556000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 252101, 504202, 1008404, 1260505, 2016808, 2521010, 3277313, 5042020, 6554626, 10084040, 13109252, 16386565, 26218504, 32773130, 65546260, 131092520]

約数ペア:

[(1, 131092520), (2, 65546260), (4, 32773130), (5, 26218504), (8, 16386565), (10, 13109252), (13, 10084040), (20, 6554626), (26, 5042020), (40, 3277313), (52, 2521010), (65, 2016808), (104, 1260505), (130, 1008404), (260, 504202), (520, 252101)]