207016720

素因数分解:

$2^4\times 5^1\times {\mathrm{2587709}}^1$

素因数の和:2587722

約数の個数: 20

約数和(自身を含む): 481314060

約数和(自身を除く): 274297340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2587709, 5175418, 10350836, 12938545, 20701672, 25877090, 41403344, 51754180, 103508360, 207016720]

約数ペア:

[(1, 207016720), (2, 103508360), (4, 51754180), (5, 41403344), (8, 25877090), (10, 20701672), (16, 12938545), (20, 10350836), (40, 5175418), (80, 2587709)]