8258260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 18615744

約数和(自身を除く): 10357484

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 227, 340, 428, 454, 535, 908, 1070, 1135, 1819, 2140, 2270, 3638, 3859, 4540, 7276, 7718, 9095, 15436, 18190, 19295, 24289, 36380, 38590, 48578, 77180, 97156, 121445, 242890, 412913, 485780, 825826, 1651652, 2064565, 4129130, 8258260]

約数ペア:

[(1, 8258260), (2, 4129130), (4, 2064565), (5, 1651652), (10, 825826), (17, 485780), (20, 412913), (34, 242890), (68, 121445), (85, 97156), (107, 77180), (170, 48578), (214, 38590), (227, 36380), (340, 24289), (428, 19295), (454, 18190), (535, 15436), (908, 9095), (1070, 7718), (1135, 7276), (1819, 4540), (2140, 3859), (2270, 3638)]