1661080

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 3777840

約数和(自身を除く): 2116760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 317, 524, 634, 655, 1048, 1268, 1310, 1585, 2536, 2620, 3170, 5240, 6340, 12680, 41527, 83054, 166108, 207635, 332216, 415270, 830540, 1661080]

約数ペア:

[(1, 1661080), (2, 830540), (4, 415270), (5, 332216), (8, 207635), (10, 166108), (20, 83054), (40, 41527), (131, 12680), (262, 6340), (317, 5240), (524, 3170), (634, 2620), (655, 2536), (1048, 1585), (1268, 1310)]