89229640

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2251}}^1$

素因数の和:3253

約数の個数: 32

約数和(自身を含む): 201058560

約数和(自身を除く): 111828920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 2251, 3964, 4502, 4955, 7928, 9004, 9910, 11255, 18008, 19820, 22510, 39640, 45020, 90040, 2230741, 4461482, 8922964, 11153705, 17845928, 22307410, 44614820, 89229640]

約数ペア:

[(1, 89229640), (2, 44614820), (4, 22307410), (5, 17845928), (8, 11153705), (10, 8922964), (20, 4461482), (40, 2230741), (991, 90040), (1982, 45020), (2251, 39640), (3964, 22510), (4502, 19820), (4955, 18008), (7928, 11255), (9004, 9910)]