71969480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163567}}^1$

素因数の和:163589

約数の個数: 32

約数和(自身を含む): 176653440

約数和(自身を除く): 104683960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 163567, 327134, 654268, 817835, 1308536, 1635670, 1799237, 3271340, 3598474, 6542680, 7196948, 8996185, 14393896, 17992370, 35984740, 71969480]

約数ペア:

[(1, 71969480), (2, 35984740), (4, 17992370), (5, 14393896), (8, 8996185), (10, 7196948), (11, 6542680), (20, 3598474), (22, 3271340), (40, 1799237), (44, 1635670), (55, 1308536), (88, 817835), (110, 654268), (220, 327134), (440, 163567)]