201857860

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{24677}}^1$

素因数の和:25095

約数の個数: 24

約数和(自身を含む): 424955160

約数和(自身を除く): 223097300

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 24677, 49354, 98708, 123385, 246770, 493540, 10092893, 20185786, 40371572, 50464465, 100928930, 201857860]

約数ペア:

[(1, 201857860), (2, 100928930), (4, 50464465), (5, 40371572), (10, 20185786), (20, 10092893), (409, 493540), (818, 246770), (1636, 123385), (2045, 98708), (4090, 49354), (8180, 24677)]