85638640

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8429}}^1$

素因数の和:8569

約数の個数: 40

約数和(自身を含む): 200701440

約数和(自身を除く): 115062800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 8429, 10160, 16858, 33716, 42145, 67432, 84290, 134864, 168580, 337160, 674320, 1070483, 2140966, 4281932, 5352415, 8563864, 10704830, 17127728, 21409660, 42819320, 85638640]

約数ペア:

[(1, 85638640), (2, 42819320), (4, 21409660), (5, 17127728), (8, 10704830), (10, 8563864), (16, 5352415), (20, 4281932), (40, 2140966), (80, 1070483), (127, 674320), (254, 337160), (508, 168580), (635, 134864), (1016, 84290), (1270, 67432), (2032, 42145), (2540, 33716), (5080, 16858), (8429, 10160)]