66485080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53617}}^1$

素因数の和:53659

約数の個数: 32

約数和(自身を含む): 154419840

約数和(自身を除く): 87934760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 53617, 107234, 214468, 268085, 428936, 536170, 1072340, 1662127, 2144680, 3324254, 6648508, 8310635, 13297016, 16621270, 33242540, 66485080]

約数ペア:

[(1, 66485080), (2, 33242540), (4, 16621270), (5, 13297016), (8, 8310635), (10, 6648508), (20, 3324254), (31, 2144680), (40, 1662127), (62, 1072340), (124, 536170), (155, 428936), (248, 268085), (310, 214468), (620, 107234), (1240, 53617)]