78971840

素因数分解:

$2^6\times 5^1\times {\mathrm{246787}}^1$

素因数の和:246804

約数の個数: 28

約数和(自身を含む): 188052456

約数和(自身を除く): 109080616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 246787, 493574, 987148, 1233935, 1974296, 2467870, 3948592, 4935740, 7897184, 9871480, 15794368, 19742960, 39485920, 78971840]

約数ペア:

[(1, 78971840), (2, 39485920), (4, 19742960), (5, 15794368), (8, 9871480), (10, 7897184), (16, 4935740), (20, 3948592), (32, 2467870), (40, 1974296), (64, 1233935), (80, 987148), (160, 493574), (320, 246787)]