84954020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{30559}}^1$

素因数の和:30707

約数の個数: 24

約数和(自身を含む): 179692800

約数和(自身を除く): 94738780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 30559, 61118, 122236, 152795, 305590, 611180, 4247701, 8495402, 16990804, 21238505, 42477010, 84954020]

約数ペア:

[(1, 84954020), (2, 42477010), (4, 21238505), (5, 16990804), (10, 8495402), (20, 4247701), (139, 611180), (278, 305590), (556, 152795), (695, 122236), (1390, 61118), (2780, 30559)]