1438361920

素因数分解:

$2^6\times 5^1\times {\mathrm{4494881}}^1$

素因数の和:4494898

約数の個数: 28

約数和(自身を含む): 3425100084

約数和(自身を除く): 1986738164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4494881, 8989762, 17979524, 22474405, 35959048, 44948810, 71918096, 89897620, 143836192, 179795240, 287672384, 359590480, 719180960, 1438361920]

約数ペア:

[(1, 1438361920), (2, 719180960), (4, 359590480), (5, 287672384), (8, 179795240), (10, 143836192), (16, 89897620), (20, 71918096), (32, 44948810), (40, 35959048), (64, 22474405), (80, 17979524), (160, 8989762), (320, 4494881)]