66372220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 144764928

約数和(自身を除く): 78392708

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 710, 860, 1087, 1420, 2174, 3053, 4348, 5435, 6106, 10870, 12212, 15265, 21740, 30530, 46741, 61060, 77177, 93482, 154354, 186964, 233705, 308708, 385885, 467410, 771770, 934820, 1543540, 3318611, 6637222, 13274444, 16593055, 33186110, 66372220]

約数ペア:

[(1, 66372220), (2, 33186110), (4, 16593055), (5, 13274444), (10, 6637222), (20, 3318611), (43, 1543540), (71, 934820), (86, 771770), (142, 467410), (172, 385885), (215, 308708), (284, 233705), (355, 186964), (430, 154354), (710, 93482), (860, 77177), (1087, 61060), (1420, 46741), (2174, 30530), (3053, 21740), (4348, 15265), (5435, 12212), (6106, 10870)]