2687678480

素因数分解:

$2^4\times 5^1\times {\mathrm{33595981}}^1$

素因数の和:33595994

約数の個数: 20

約数和(自身を含む): 6248852652

約数和(自身を除く): 3561174172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 33595981, 67191962, 134383924, 167979905, 268767848, 335959810, 537535696, 671919620, 1343839240, 2687678480]

約数ペア:

[(1, 2687678480), (2, 1343839240), (4, 671919620), (5, 537535696), (8, 335959810), (10, 268767848), (16, 167979905), (20, 134383924), (40, 67191962), (80, 33595981)]