53405780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{65129}}^1$

素因数の和:65179

約数の個数: 24

約数和(自身を含む): 114889320

約数和(自身を除く): 61483540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 65129, 130258, 260516, 325645, 651290, 1302580, 2670289, 5340578, 10681156, 13351445, 26702890, 53405780]

約数ペア:

[(1, 53405780), (2, 26702890), (4, 13351445), (5, 10681156), (10, 5340578), (20, 2670289), (41, 1302580), (82, 651290), (164, 325645), (205, 260516), (410, 130258), (820, 65129)]