15220280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8849}}^1$

素因数の和:8903

約数の個数: 32

約数和(自身を含む): 35046000

約数和(自身を除く): 19825720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 8849, 17698, 35396, 44245, 70792, 88490, 176980, 353960, 380507, 761014, 1522028, 1902535, 3044056, 3805070, 7610140, 15220280]

約数ペア:

[(1, 15220280), (2, 7610140), (4, 3805070), (5, 3044056), (8, 1902535), (10, 1522028), (20, 761014), (40, 380507), (43, 353960), (86, 176980), (172, 88490), (215, 70792), (344, 44245), (430, 35396), (860, 17698), (1720, 8849)]