8108120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3323}}^1$

素因数の和:3395

約数の個数: 32

約数和(自身を含む): 18547920

約数和(自身を除く): 10439800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3323, 6646, 13292, 16615, 26584, 33230, 66460, 132920, 202703, 405406, 810812, 1013515, 1621624, 2027030, 4054060, 8108120]

約数ペア:

[(1, 8108120), (2, 4054060), (4, 2027030), (5, 1621624), (8, 1013515), (10, 810812), (20, 405406), (40, 202703), (61, 132920), (122, 66460), (244, 33230), (305, 26584), (488, 16615), (610, 13292), (1220, 6646), (2440, 3323)]