72817280

素因数分解:

$2^7\times 5^1\times {\mathrm{113777}}^1$

素因数の和:113796

約数の個数: 32

約数和(自身を含む): 174080340

約数和(自身を除く): 101263060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 113777, 227554, 455108, 568885, 910216, 1137770, 1820432, 2275540, 3640864, 4551080, 7281728, 9102160, 14563456, 18204320, 36408640, 72817280]

約数ペア:

[(1, 72817280), (2, 36408640), (4, 18204320), (5, 14563456), (8, 9102160), (10, 7281728), (16, 4551080), (20, 3640864), (32, 2275540), (40, 1820432), (64, 1137770), (80, 910216), (128, 568885), (160, 455108), (320, 227554), (640, 113777)]