90451390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{10039}}^1$

素因数の和:10116

約数の個数: 32

約数和(自身を含む): 175659840

約数和(自身を除く): 85208450

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 530, 901, 1802, 4505, 9010, 10039, 20078, 50195, 100390, 170663, 341326, 532067, 853315, 1064134, 1706630, 2660335, 5320670, 9045139, 18090278, 45225695, 90451390]

約数ペア:

[(1, 90451390), (2, 45225695), (5, 18090278), (10, 9045139), (17, 5320670), (34, 2660335), (53, 1706630), (85, 1064134), (106, 853315), (170, 532067), (265, 341326), (530, 170663), (901, 100390), (1802, 50195), (4505, 20078), (9010, 10039)]