79790720

素因数分解:

$2^7\times 5^1\times {\mathrm{124673}}^1$

素因数の和:124692

約数の個数: 32

約数和(自身を含む): 190751220

約数和(自身を除く): 110960500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 124673, 249346, 498692, 623365, 997384, 1246730, 1994768, 2493460, 3989536, 4986920, 7979072, 9973840, 15958144, 19947680, 39895360, 79790720]

約数ペア:

[(1, 79790720), (2, 39895360), (4, 19947680), (5, 15958144), (8, 9973840), (10, 7979072), (16, 4986920), (20, 3989536), (32, 2493460), (40, 1994768), (64, 1246730), (80, 997384), (128, 623365), (160, 498692), (320, 249346), (640, 124673)]