66497320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27253}}^1$

素因数の和:27325

約数の個数: 32

約数和(自身を含む): 152077320

約数和(自身を除く): 85580000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 27253, 54506, 109012, 136265, 218024, 272530, 545060, 1090120, 1662433, 3324866, 6649732, 8312165, 13299464, 16624330, 33248660, 66497320]

約数ペア:

[(1, 66497320), (2, 33248660), (4, 16624330), (5, 13299464), (8, 8312165), (10, 6649732), (20, 3324866), (40, 1662433), (61, 1090120), (122, 545060), (244, 272530), (305, 218024), (488, 136265), (610, 109012), (1220, 54506), (2440, 27253)]