87518440

素因数分解:

$2^3\times 5^1\times {\mathrm{2187961}}^1$

素因数の和:2187972

約数の個数: 16

約数和(自身を含む): 196916580

約数和(自身を除く): 109398140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2187961, 4375922, 8751844, 10939805, 17503688, 21879610, 43759220, 87518440]

約数ペア:

[(1, 87518440), (2, 43759220), (4, 21879610), (5, 17503688), (8, 10939805), (10, 8751844), (20, 4375922), (40, 2187961)]