28017020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4337}}^1$

素因数の和:4382

約数の個数: 48

約数和(自身を含む): 65590560

約数和(自身を除く): 37573540

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 4337, 6460, 8674, 17348, 21685, 43370, 73729, 82403, 86740, 147458, 164806, 294916, 329612, 368645, 412015, 737290, 824030, 1400851, 1474580, 1648060, 2801702, 5603404, 7004255, 14008510, 28017020]

約数ペア:

[(1, 28017020), (2, 14008510), (4, 7004255), (5, 5603404), (10, 2801702), (17, 1648060), (19, 1474580), (20, 1400851), (34, 824030), (38, 737290), (68, 412015), (76, 368645), (85, 329612), (95, 294916), (170, 164806), (190, 147458), (323, 86740), (340, 82403), (380, 73729), (646, 43370), (1292, 21685), (1615, 17348), (3230, 8674), (4337, 6460)]