80744020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{576743}}^1$

素因数の和:576759

約数の個数: 24

約数和(自身を含む): 193785984

約数和(自身を除く): 113041964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 576743, 1153486, 2306972, 2883715, 4037201, 5767430, 8074402, 11534860, 16148804, 20186005, 40372010, 80744020]

約数ペア:

[(1, 80744020), (2, 40372010), (4, 20186005), (5, 16148804), (7, 11534860), (10, 8074402), (14, 5767430), (20, 4037201), (28, 2883715), (35, 2306972), (70, 1153486), (140, 576743)]