9489860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 20829312

約数和(自身を除く): 11339452

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 163, 164, 205, 284, 326, 355, 410, 652, 710, 815, 820, 1420, 1630, 2911, 3260, 5822, 6683, 11573, 11644, 13366, 14555, 23146, 26732, 29110, 33415, 46292, 57865, 58220, 66830, 115730, 133660, 231460, 474493, 948986, 1897972, 2372465, 4744930, 9489860]

約数ペア:

[(1, 9489860), (2, 4744930), (4, 2372465), (5, 1897972), (10, 948986), (20, 474493), (41, 231460), (71, 133660), (82, 115730), (142, 66830), (163, 58220), (164, 57865), (205, 46292), (284, 33415), (326, 29110), (355, 26732), (410, 23146), (652, 14555), (710, 13366), (815, 11644), (820, 11573), (1420, 6683), (1630, 5822), (2911, 3260)]