200427320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{70573}}^1$

素因数の和:70655

約数の個数: 32

約数和(自身を含む): 457319520

約数和(自身を除く): 256892200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 70573, 141146, 282292, 352865, 564584, 705730, 1411460, 2822920, 5010683, 10021366, 20042732, 25053415, 40085464, 50106830, 100213660, 200427320]

約数ペア:

[(1, 200427320), (2, 100213660), (4, 50106830), (5, 40085464), (8, 25053415), (10, 20042732), (20, 10021366), (40, 5010683), (71, 2822920), (142, 1411460), (284, 705730), (355, 564584), (568, 352865), (710, 282292), (1420, 141146), (2840, 70573)]