90155480

素因数分解:

$2^3\times 5^1\times {\mathrm{2253887}}^1$

素因数の和:2253898

約数の個数: 16

約数和(自身を含む): 202849920

約数和(自身を除く): 112694440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2253887, 4507774, 9015548, 11269435, 18031096, 22538870, 45077740, 90155480]

約数ペア:

[(1, 90155480), (2, 45077740), (4, 22538870), (5, 18031096), (8, 11269435), (10, 9015548), (20, 4507774), (40, 2253887)]