13540480

素因数分解:

$2^7\times 5^1\times {\mathrm{21157}}^1$

素因数の和:21176

約数の個数: 32

約数和(自身を含む): 32371740

約数和(自身を除く): 18831260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 21157, 42314, 84628, 105785, 169256, 211570, 338512, 423140, 677024, 846280, 1354048, 1692560, 2708096, 3385120, 6770240, 13540480]

約数ペア:

[(1, 13540480), (2, 6770240), (4, 3385120), (5, 2708096), (8, 1692560), (10, 1354048), (16, 846280), (20, 677024), (32, 423140), (40, 338512), (64, 211570), (80, 169256), (128, 105785), (160, 84628), (320, 42314), (640, 21157)]