207729440

素因数分解:

$2^5\times 5^1\times {\mathrm{1298309}}^1$

素因数の和:1298324

約数の個数: 24

約数和(自身を含む): 490761180

約数和(自身を除く): 283031740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1298309, 2596618, 5193236, 6491545, 10386472, 12983090, 20772944, 25966180, 41545888, 51932360, 103864720, 207729440]

約数ペア:

[(1, 207729440), (2, 103864720), (4, 51932360), (5, 41545888), (8, 25966180), (10, 20772944), (16, 12983090), (20, 10386472), (32, 6491545), (40, 5193236), (80, 2596618), (160, 1298309)]