1562081980

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{303907}}^1$

素因数の和:304173

約数の個数: 24

約数和(自身を含む): 3293147088

約数和(自身を除く): 1731065108

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 303907, 607814, 1215628, 1519535, 3039070, 6078140, 78104099, 156208198, 312416396, 390520495, 781040990, 1562081980]

約数ペア:

[(1, 1562081980), (2, 781040990), (4, 390520495), (5, 312416396), (10, 156208198), (20, 78104099), (257, 6078140), (514, 3039070), (1028, 1519535), (1285, 1215628), (2570, 607814), (5140, 303907)]