209527960

素因数分解:

$2^3\times 5^1\times {\mathrm{5238199}}^1$

素因数の和:5238210

約数の個数: 16

約数和(自身を含む): 471438000

約数和(自身を除く): 261910040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5238199, 10476398, 20952796, 26190995, 41905592, 52381990, 104763980, 209527960]

約数ペア:

[(1, 209527960), (2, 104763980), (4, 52381990), (5, 41905592), (8, 26190995), (10, 20952796), (20, 10476398), (40, 5238199)]