17413640

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1039}}^1$

素因数の和:1469

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 21898360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1039, 1676, 2078, 2095, 3352, 4156, 4190, 5195, 8312, 8380, 10390, 16760, 20780, 41560, 435341, 870682, 1741364, 2176705, 3482728, 4353410, 8706820, 17413640]

約数ペア:

[(1, 17413640), (2, 8706820), (4, 4353410), (5, 3482728), (8, 2176705), (10, 1741364), (20, 870682), (40, 435341), (419, 41560), (838, 20780), (1039, 16760), (1676, 10390), (2078, 8380), (2095, 8312), (3352, 5195), (4156, 4190)]