28220960

素因数分解:

$2^5\times 5^1\times {\mathrm{233}}^1\times {\mathrm{757}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 67046616

約数和(自身を除く): 38825656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 233, 466, 757, 932, 1165, 1514, 1864, 2330, 3028, 3728, 3785, 4660, 6056, 7456, 7570, 9320, 12112, 15140, 18640, 24224, 30280, 37280, 60560, 121120, 176381, 352762, 705524, 881905, 1411048, 1763810, 2822096, 3527620, 5644192, 7055240, 14110480, 28220960]

約数ペア:

[(1, 28220960), (2, 14110480), (4, 7055240), (5, 5644192), (8, 3527620), (10, 2822096), (16, 1763810), (20, 1411048), (32, 881905), (40, 705524), (80, 352762), (160, 176381), (233, 121120), (466, 60560), (757, 37280), (932, 30280), (1165, 24224), (1514, 18640), (1864, 15140), (2330, 12112), (3028, 9320), (3728, 7570), (3785, 7456), (4660, 6056)]