15492080

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{983}}^1$

素因数の和:1193

約数の個数: 40

約数和(自身を含む): 36238752

約数和(自身を除く): 20746672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 983, 985, 1576, 1966, 1970, 3152, 3932, 3940, 4915, 7864, 7880, 9830, 15728, 15760, 19660, 39320, 78640, 193651, 387302, 774604, 968255, 1549208, 1936510, 3098416, 3873020, 7746040, 15492080]

約数ペア:

[(1, 15492080), (2, 7746040), (4, 3873020), (5, 3098416), (8, 1936510), (10, 1549208), (16, 968255), (20, 774604), (40, 387302), (80, 193651), (197, 78640), (394, 39320), (788, 19660), (983, 15760), (985, 15728), (1576, 9830), (1966, 7880), (1970, 7864), (3152, 4915), (3932, 3940)]