90521920

素因数分解:

$2^6\times 5^1\times {\mathrm{282881}}^1$

素因数の和:282898

約数の個数: 28

約数和(自身を含む): 215556084

約数和(自身を除く): 125034164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 282881, 565762, 1131524, 1414405, 2263048, 2828810, 4526096, 5657620, 9052192, 11315240, 18104384, 22630480, 45260960, 90521920]

約数ペア:

[(1, 90521920), (2, 45260960), (4, 22630480), (5, 18104384), (8, 11315240), (10, 9052192), (16, 5657620), (20, 4526096), (32, 2828810), (40, 2263048), (64, 1414405), (80, 1131524), (160, 565762), (320, 282881)]