8536520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2113}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 19406520

約数和(自身を除く): 10870000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 2113, 4040, 4226, 8452, 10565, 16904, 21130, 42260, 84520, 213413, 426826, 853652, 1067065, 1707304, 2134130, 4268260, 8536520]

約数ペア:

[(1, 8536520), (2, 4268260), (4, 2134130), (5, 1707304), (8, 1067065), (10, 853652), (20, 426826), (40, 213413), (101, 84520), (202, 42260), (404, 21130), (505, 16904), (808, 10565), (1010, 8452), (2020, 4226), (2113, 4040)]