15401240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9391}}^1$

素因数の和:9443

約数の個数: 32

約数和(自身を含む): 35501760

約数和(自身を除く): 20100520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 9391, 18782, 37564, 46955, 75128, 93910, 187820, 375640, 385031, 770062, 1540124, 1925155, 3080248, 3850310, 7700620, 15401240]

約数ペア:

[(1, 15401240), (2, 7700620), (4, 3850310), (5, 3080248), (8, 1925155), (10, 1540124), (20, 770062), (40, 385031), (41, 375640), (82, 187820), (164, 93910), (205, 75128), (328, 46955), (410, 37564), (820, 18782), (1640, 9391)]