2776456420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1955251}}^1$

素因数の和:1955331

約数の個数: 24

約数和(自身を含む): 5912682048

約数和(自身を除く): 3136225628

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1955251, 3910502, 7821004, 9776255, 19552510, 39105020, 138822821, 277645642, 555291284, 694114105, 1388228210, 2776456420]

約数ペア:

[(1, 2776456420), (2, 1388228210), (4, 694114105), (5, 555291284), (10, 277645642), (20, 138822821), (71, 39105020), (142, 19552510), (284, 9776255), (355, 7821004), (710, 3910502), (1420, 1955251)]