90275980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{41411}}^1$

素因数の和:41529

約数の個数: 24

約数和(自身を含む): 191323440

約数和(自身を除く): 101047460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 41411, 82822, 165644, 207055, 414110, 828220, 4513799, 9027598, 18055196, 22568995, 45137990, 90275980]

約数ペア:

[(1, 90275980), (2, 45137990), (4, 22568995), (5, 18055196), (10, 9027598), (20, 4513799), (109, 828220), (218, 414110), (436, 207055), (545, 165644), (1090, 82822), (2180, 41411)]