90987340

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{67901}}^1$

素因数の和:67977

約数の個数: 24

約数和(自身を含む): 193928112

約数和(自身を除く): 102940772

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 67901, 135802, 271604, 339505, 679010, 1358020, 4549367, 9098734, 18197468, 22746835, 45493670, 90987340]

約数ペア:

[(1, 90987340), (2, 45493670), (4, 22746835), (5, 18197468), (10, 9098734), (20, 4549367), (67, 1358020), (134, 679010), (268, 339505), (335, 271604), (670, 135802), (1340, 67901)]