2176840

素因数分解:

$2^3\times 5^1\times {\mathrm{54421}}^1$

素因数の和:54432

約数の個数: 16

約数和(自身を含む): 4897980

約数和(自身を除く): 2721140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 54421, 108842, 217684, 272105, 435368, 544210, 1088420, 2176840]

約数ペア:

[(1, 2176840), (2, 1088420), (4, 544210), (5, 435368), (8, 272105), (10, 217684), (20, 108842), (40, 54421)]