8348536520

素因数分解:

$2^3\times 5^1\times {\mathrm{52879}}^1\times {\mathrm{3947}}^1$

素因数の和:56837

約数の個数: 32

約数和(自身を含む): 18789321600

約数和(自身を除く): 10440785080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3947, 7894, 15788, 19735, 31576, 39470, 52879, 78940, 105758, 157880, 211516, 264395, 423032, 528790, 1057580, 2115160, 208713413, 417426826, 834853652, 1043567065, 1669707304, 2087134130, 4174268260, 8348536520]

約数ペア:

[(1, 8348536520), (2, 4174268260), (4, 2087134130), (5, 1669707304), (8, 1043567065), (10, 834853652), (20, 417426826), (40, 208713413), (3947, 2115160), (7894, 1057580), (15788, 528790), (19735, 423032), (31576, 264395), (39470, 211516), (52879, 157880), (78940, 105758)]