128976020

素因数分解:

$2^2\times 5^1\times {\mathrm{2377}}^1\times {\mathrm{2713}}^1$

素因数の和:5099

約数の個数: 24

約数和(自身を含む): 271063464

約数和(自身を除く): 142087444

約数列:

[1, 2, 4, 5, 10, 20, 2377, 2713, 4754, 5426, 9508, 10852, 11885, 13565, 23770, 27130, 47540, 54260, 6448801, 12897602, 25795204, 32244005, 64488010, 128976020]

約数ペア:

[(1, 128976020), (2, 64488010), (4, 32244005), (5, 25795204), (10, 12897602), (20, 6448801), (2377, 54260), (2713, 47540), (4754, 27130), (5426, 23770), (9508, 13565), (10852, 11885)]