200720215

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{3613}}^1$

素因数の和:3930

約数の個数: 16

約数和(自身を含む): 247718016

約数和(自身を除く): 46997801

約数列:

[1, 5, 41, 205, 271, 1355, 3613, 11111, 18065, 55555, 148133, 740665, 979123, 4895615, 40144043, 200720215]

約数ペア:

[(1, 200720215), (5, 40144043), (41, 4895615), (205, 979123), (271, 740665), (1355, 148133), (3613, 55555), (11111, 18065)]