28810640

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2417}}^1$

素因数の和:2579

約数の個数: 40

約数和(自身を含む): 67462200

約数和(自身を除く): 38651560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2417, 2980, 4834, 5960, 9668, 11920, 12085, 19336, 24170, 38672, 48340, 96680, 193360, 360133, 720266, 1440532, 1800665, 2881064, 3601330, 5762128, 7202660, 14405320, 28810640]

約数ペア:

[(1, 28810640), (2, 14405320), (4, 7202660), (5, 5762128), (8, 3601330), (10, 2881064), (16, 1800665), (20, 1440532), (40, 720266), (80, 360133), (149, 193360), (298, 96680), (596, 48340), (745, 38672), (1192, 24170), (1490, 19336), (2384, 12085), (2417, 11920), (2980, 9668), (4834, 5960)]