8266116520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6666223}}^1$

素因数の和:6666265

約数の個数: 32

約数和(自身を含む): 19198725120

約数和(自身を除く): 10932608600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 6666223, 13332446, 26664892, 33331115, 53329784, 66662230, 133324460, 206652913, 266648920, 413305826, 826611652, 1033264565, 1653223304, 2066529130, 4133058260, 8266116520]

約数ペア:

[(1, 8266116520), (2, 4133058260), (4, 2066529130), (5, 1653223304), (8, 1033264565), (10, 826611652), (20, 413305826), (31, 266648920), (40, 206652913), (62, 133324460), (124, 66662230), (155, 53329784), (248, 33331115), (310, 26664892), (620, 13332446), (1240, 6666223)]