1556080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:433

約数の個数: 40

約数和(自身を含む): 3696192

約数和(自身を除く): 2140112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 367, 424, 530, 734, 848, 1060, 1468, 1835, 2120, 2936, 3670, 4240, 5872, 7340, 14680, 19451, 29360, 38902, 77804, 97255, 155608, 194510, 311216, 389020, 778040, 1556080]

約数ペア:

[(1, 1556080), (2, 778040), (4, 389020), (5, 311216), (8, 194510), (10, 155608), (16, 97255), (20, 77804), (40, 38902), (53, 29360), (80, 19451), (106, 14680), (212, 7340), (265, 5872), (367, 4240), (424, 3670), (530, 2936), (734, 2120), (848, 1835), (1060, 1468)]