19930720

素因数分解:

$2^5\times 5^1\times {\mathrm{124567}}^1$

素因数の和:124582

約数の個数: 24

約数和(自身を含む): 47086704

約数和(自身を除く): 27155984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 124567, 249134, 498268, 622835, 996536, 1245670, 1993072, 2491340, 3986144, 4982680, 9965360, 19930720]

約数ペア:

[(1, 19930720), (2, 9965360), (4, 4982680), (5, 3986144), (8, 2491340), (10, 1993072), (16, 1245670), (20, 996536), (32, 622835), (40, 498268), (80, 249134), (160, 124567)]