102989680

素因数分解:

$2^4\times 5^1\times {\mathrm{1287371}}^1$

素因数の和:1287384

約数の個数: 20

約数和(自身を含む): 239451192

約数和(自身を除く): 136461512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1287371, 2574742, 5149484, 6436855, 10298968, 12873710, 20597936, 25747420, 51494840, 102989680]

約数ペア:

[(1, 102989680), (2, 51494840), (4, 25747420), (5, 20597936), (8, 12873710), (10, 10298968), (16, 6436855), (20, 5149484), (40, 2574742), (80, 1287371)]