180874280

素因数分解:

$2^3\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{3541}}^1$

素因数の和:4829

約数の個数: 32

約数和(自身を含む): 407400840

約数和(自身を除く): 226526560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1277, 2554, 3541, 5108, 6385, 7082, 10216, 12770, 14164, 17705, 25540, 28328, 35410, 51080, 70820, 141640, 4521857, 9043714, 18087428, 22609285, 36174856, 45218570, 90437140, 180874280]

約数ペア:

[(1, 180874280), (2, 90437140), (4, 45218570), (5, 36174856), (8, 22609285), (10, 18087428), (20, 9043714), (40, 4521857), (1277, 141640), (2554, 70820), (3541, 51080), (5108, 35410), (6385, 28328), (7082, 25540), (10216, 17705), (12770, 14164)]