87498640

素因数分解:

$2^4\times 5^1\times {\mathrm{1093733}}^1$

素因数の和:1093746

約数の個数: 20

約数和(自身を含む): 203434524

約数和(自身を除く): 115935884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1093733, 2187466, 4374932, 5468665, 8749864, 10937330, 17499728, 21874660, 43749320, 87498640]

約数ペア:

[(1, 87498640), (2, 43749320), (4, 21874660), (5, 17499728), (8, 10937330), (10, 8749864), (16, 5468665), (20, 4374932), (40, 2187466), (80, 1093733)]