82578020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1033}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 198726528

約数和(自身を除く): 116148508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571, 1033, 1142, 2066, 2284, 2855, 3997, 4132, 5165, 5710, 7231, 7994, 10330, 11420, 14462, 15988, 19985, 20660, 28924, 36155, 39970, 72310, 79940, 144620, 589843, 1179686, 2359372, 2949215, 4128901, 5898430, 8257802, 11796860, 16515604, 20644505, 41289010, 82578020]

約数ペア:

[(1, 82578020), (2, 41289010), (4, 20644505), (5, 16515604), (7, 11796860), (10, 8257802), (14, 5898430), (20, 4128901), (28, 2949215), (35, 2359372), (70, 1179686), (140, 589843), (571, 144620), (1033, 79940), (1142, 72310), (2066, 39970), (2284, 36155), (2855, 28924), (3997, 20660), (4132, 19985), (5165, 15988), (5710, 14462), (7231, 11420), (7994, 10330)]