4352640640

素因数分解:

$2^7\times 5^1\times {\mathrm{6801001}}^1$

素因数の和:6801020

約数の個数: 32

約数和(自身を含む): 10405533060

約数和(自身を除く): 6052892420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 6801001, 13602002, 27204004, 34005005, 54408008, 68010010, 108816016, 136020020, 217632032, 272040040, 435264064, 544080080, 870528128, 1088160160, 2176320320, 4352640640]

約数ペア:

[(1, 4352640640), (2, 2176320320), (4, 1088160160), (5, 870528128), (8, 544080080), (10, 435264064), (16, 272040040), (20, 217632032), (32, 136020020), (40, 108816016), (64, 68010010), (80, 54408008), (128, 34005005), (160, 27204004), (320, 13602002), (640, 6801001)]