180278440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{85037}}^1$

素因数の和:85101

約数の個数: 32

約数和(自身を含む): 413284680

約数和(自身を除く): 233006240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 85037, 170074, 340148, 425185, 680296, 850370, 1700740, 3401480, 4506961, 9013922, 18027844, 22534805, 36055688, 45069610, 90139220, 180278440]

約数ペア:

[(1, 180278440), (2, 90139220), (4, 45069610), (5, 36055688), (8, 22534805), (10, 18027844), (20, 9013922), (40, 4506961), (53, 3401480), (106, 1700740), (212, 850370), (265, 680296), (424, 425185), (530, 340148), (1060, 170074), (2120, 85037)]