70721920

素因数分解:

$2^7\times 5^1\times {\mathrm{110503}}^1$

素因数の和:110522

約数の個数: 32

約数和(自身を含む): 169071120

約数和(自身を除く): 98349200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 110503, 221006, 442012, 552515, 884024, 1105030, 1768048, 2210060, 3536096, 4420120, 7072192, 8840240, 14144384, 17680480, 35360960, 70721920]

約数ペア:

[(1, 70721920), (2, 35360960), (4, 17680480), (5, 14144384), (8, 8840240), (10, 7072192), (16, 4420120), (20, 3536096), (32, 2210060), (40, 1768048), (64, 1105030), (80, 884024), (128, 552515), (160, 442012), (320, 221006), (640, 110503)]