13006720

素因数分解:

$2^7\times 5^1\times {\mathrm{20323}}^1$

素因数の和:20342

約数の個数: 32

約数和(自身を含む): 31095720

約数和(自身を除く): 18089000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20323, 40646, 81292, 101615, 162584, 203230, 325168, 406460, 650336, 812920, 1300672, 1625840, 2601344, 3251680, 6503360, 13006720]

約数ペア:

[(1, 13006720), (2, 6503360), (4, 3251680), (5, 2601344), (8, 1625840), (10, 1300672), (16, 812920), (20, 650336), (32, 406460), (40, 325168), (64, 203230), (80, 162584), (128, 101615), (160, 81292), (320, 40646), (640, 20323)]