8244140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13297}}^1$

素因数の和:13337

約数の個数: 24

約数和(自身を含む): 17872512

約数和(自身を除く): 9628372

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 13297, 26594, 53188, 66485, 132970, 265940, 412207, 824414, 1648828, 2061035, 4122070, 8244140]

約数ペア:

[(1, 8244140), (2, 4122070), (4, 2061035), (5, 1648828), (10, 824414), (20, 412207), (31, 265940), (62, 132970), (124, 66485), (155, 53188), (310, 26594), (620, 13297)]