778040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 1788480

約数和(自身を除く): 1010440

約数列:

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

約数ペア:

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