85267880

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{2251}}^1$

素因数の和:3209

約数の個数: 32

約数和(自身を含む): 192140640

約数和(自身を除く): 106872760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1894, 2251, 3788, 4502, 4735, 7576, 9004, 9470, 11255, 18008, 18940, 22510, 37880, 45020, 90040, 2131697, 4263394, 8526788, 10658485, 17053576, 21316970, 42633940, 85267880]

約数ペア:

[(1, 85267880), (2, 42633940), (4, 21316970), (5, 17053576), (8, 10658485), (10, 8526788), (20, 4263394), (40, 2131697), (947, 90040), (1894, 45020), (2251, 37880), (3788, 22510), (4502, 18940), (4735, 18008), (7576, 11255), (9004, 9470)]