25100330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{409}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 50612040

約数和(自身を除く): 25511710

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 361, 409, 646, 722, 818, 1615, 1805, 2045, 3230, 3610, 4090, 6137, 6953, 7771, 12274, 13906, 15542, 30685, 34765, 38855, 61370, 69530, 77710, 132107, 147649, 264214, 295298, 660535, 738245, 1321070, 1476490, 2510033, 5020066, 12550165, 25100330]

約数ペア:

[(1, 25100330), (2, 12550165), (5, 5020066), (10, 2510033), (17, 1476490), (19, 1321070), (34, 738245), (38, 660535), (85, 295298), (95, 264214), (170, 147649), (190, 132107), (323, 77710), (361, 69530), (409, 61370), (646, 38855), (722, 34765), (818, 30685), (1615, 15542), (1805, 13906), (2045, 12274), (3230, 7771), (3610, 6953), (4090, 6137)]