2008377520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1321301}}^1$

素因数の和:1321333

約数の個数: 40

約数和(自身を含む): 4915243440

約数和(自身を除く): 2906865920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1321301, 2642602, 5285204, 6606505, 10570408, 13213010, 21140816, 25104719, 26426020, 50209438, 52852040, 100418876, 105704080, 125523595, 200837752, 251047190, 401675504, 502094380, 1004188760, 2008377520]

約数ペア:

[(1, 2008377520), (2, 1004188760), (4, 502094380), (5, 401675504), (8, 251047190), (10, 200837752), (16, 125523595), (19, 105704080), (20, 100418876), (38, 52852040), (40, 50209438), (76, 26426020), (80, 25104719), (95, 21140816), (152, 13213010), (190, 10570408), (304, 6606505), (380, 5285204), (760, 2642602), (1520, 1321301)]