89314280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{202987}}^1$

素因数の和:203009

約数の個数: 32

約数和(自身を含む): 219227040

約数和(自身を除く): 129912760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 202987, 405974, 811948, 1014935, 1623896, 2029870, 2232857, 4059740, 4465714, 8119480, 8931428, 11164285, 17862856, 22328570, 44657140, 89314280]

約数ペア:

[(1, 89314280), (2, 44657140), (4, 22328570), (5, 17862856), (8, 11164285), (10, 8931428), (11, 8119480), (20, 4465714), (22, 4059740), (40, 2232857), (44, 2029870), (55, 1623896), (88, 1014935), (110, 811948), (220, 405974), (440, 202987)]