90815320

素因数分解:

$2^3\times 5^1\times {\mathrm{2270383}}^1$

素因数の和:2270394

約数の個数: 16

約数和(自身を含む): 204334560

約数和(自身を除く): 113519240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2270383, 4540766, 9081532, 11351915, 18163064, 22703830, 45407660, 90815320]

約数ペア:

[(1, 90815320), (2, 45407660), (4, 22703830), (5, 18163064), (8, 11351915), (10, 9081532), (20, 4540766), (40, 2270383)]