145304080

素因数分解:

$2^4\times 5^1\times {\mathrm{1816301}}^1$

素因数の和:1816314

約数の個数: 20

約数和(自身を含む): 337832172

約数和(自身を除く): 192528092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1816301, 3632602, 7265204, 9081505, 14530408, 18163010, 29060816, 36326020, 72652040, 145304080]

約数ペア:

[(1, 145304080), (2, 72652040), (4, 36326020), (5, 29060816), (8, 18163010), (10, 14530408), (16, 9081505), (20, 7265204), (40, 3632602), (80, 1816301)]