71313280

素因数分解:

$2^7\times 5^1\times {\mathrm{111427}}^1$

素因数の和:111446

約数の個数: 32

約数和(自身を含む): 170484840

約数和(自身を除く): 99171560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 111427, 222854, 445708, 557135, 891416, 1114270, 1782832, 2228540, 3565664, 4457080, 7131328, 8914160, 14262656, 17828320, 35656640, 71313280]

約数ペア:

[(1, 71313280), (2, 35656640), (4, 17828320), (5, 14262656), (8, 8914160), (10, 7131328), (16, 4457080), (20, 3565664), (32, 2228540), (40, 1782832), (64, 1114270), (80, 891416), (128, 557135), (160, 445708), (320, 222854), (640, 111427)]