27850180

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8543}}^1$

素因数の和:8715

約数の個数: 24

約数和(自身を含む): 58851072

約数和(自身を除く): 31000892

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 8543, 17086, 34172, 42715, 85430, 170860, 1392509, 2785018, 5570036, 6962545, 13925090, 27850180]

約数ペア:

[(1, 27850180), (2, 13925090), (4, 6962545), (5, 5570036), (10, 2785018), (20, 1392509), (163, 170860), (326, 85430), (652, 42715), (815, 34172), (1630, 17086), (3260, 8543)]