66762680

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{10631}}^1$

素因数の和:10799

約数の個数: 32

約数和(自身を含む): 151187040

約数和(自身を除く): 84424360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 10631, 21262, 42524, 53155, 85048, 106310, 212620, 425240, 1669067, 3338134, 6676268, 8345335, 13352536, 16690670, 33381340, 66762680]

約数ペア:

[(1, 66762680), (2, 33381340), (4, 16690670), (5, 13352536), (8, 8345335), (10, 6676268), (20, 3338134), (40, 1669067), (157, 425240), (314, 212620), (628, 106310), (785, 85048), (1256, 53155), (1570, 42524), (3140, 21262), (6280, 10631)]