28998320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27883}}^1$

素因数の和:27909

約数の個数: 40

約数和(自身を含む): 72609936

約数和(自身を除く): 43611616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27883, 55766, 111532, 139415, 223064, 278830, 362479, 446128, 557660, 724958, 1115320, 1449916, 1812395, 2230640, 2899832, 3624790, 5799664, 7249580, 14499160, 28998320]

約数ペア:

[(1, 28998320), (2, 14499160), (4, 7249580), (5, 5799664), (8, 3624790), (10, 2899832), (13, 2230640), (16, 1812395), (20, 1449916), (26, 1115320), (40, 724958), (52, 557660), (65, 446128), (80, 362479), (104, 278830), (130, 223064), (208, 139415), (260, 111532), (520, 55766), (1040, 27883)]