1608280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 3738240

約数和(自身を除く): 2129960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1297, 2594, 5188, 6485, 10376, 12970, 25940, 40207, 51880, 80414, 160828, 201035, 321656, 402070, 804140, 1608280]

約数ペア:

[(1, 1608280), (2, 804140), (4, 402070), (5, 321656), (8, 201035), (10, 160828), (20, 80414), (31, 51880), (40, 40207), (62, 25940), (124, 12970), (155, 10376), (248, 6485), (310, 5188), (620, 2594), (1240, 1297)]