79194820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 172706688

約数和(自身を除く): 93511868

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 710, 860, 1297, 1420, 2594, 3053, 5188, 6106, 6485, 12212, 12970, 15265, 25940, 30530, 55771, 61060, 92087, 111542, 184174, 223084, 278855, 368348, 460435, 557710, 920870, 1115420, 1841740, 3959741, 7919482, 15838964, 19798705, 39597410, 79194820]

約数ペア:

[(1, 79194820), (2, 39597410), (4, 19798705), (5, 15838964), (10, 7919482), (20, 3959741), (43, 1841740), (71, 1115420), (86, 920870), (142, 557710), (172, 460435), (215, 368348), (284, 278855), (355, 223084), (430, 184174), (710, 111542), (860, 92087), (1297, 61060), (1420, 55771), (2594, 30530), (3053, 25940), (5188, 15265), (6106, 12970), (6485, 12212)]