90030320

素因数分解:

$2^4\times 5^1\times {\mathrm{1125379}}^1$

素因数の和:1125392

約数の個数: 20

約数和(自身を含む): 209320680

約数和(自身を除く): 119290360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1125379, 2250758, 4501516, 5626895, 9003032, 11253790, 18006064, 22507580, 45015160, 90030320]

約数ペア:

[(1, 90030320), (2, 45015160), (4, 22507580), (5, 18006064), (8, 11253790), (10, 9003032), (16, 5626895), (20, 4501516), (40, 2250758), (80, 1125379)]