215528080360

素因数分解:

$2^3\times 5^1\times {\mathrm{5388202009}}^1$

素因数の和:5388202020

約数の個数: 16

約数和(自身を含む): 484938180900

約数和(自身を除く): 269410100540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5388202009, 10776404018, 21552808036, 26941010045, 43105616072, 53882020090, 107764040180, 215528080360]

約数ペア:

[(1, 215528080360), (2, 107764040180), (4, 53882020090), (5, 43105616072), (8, 26941010045), (10, 21552808036), (20, 10776404018), (40, 5388202009)]