159161320

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{6449}}^1$

素因数の和:7077

約数の個数: 32

約数和(自身を含む): 358749000

約数和(自身を除く): 199587680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 2468, 3085, 4936, 6170, 6449, 12340, 12898, 24680, 25796, 32245, 51592, 64490, 128980, 257960, 3979033, 7958066, 15916132, 19895165, 31832264, 39790330, 79580660, 159161320]

約数ペア:

[(1, 159161320), (2, 79580660), (4, 39790330), (5, 31832264), (8, 19895165), (10, 15916132), (20, 7958066), (40, 3979033), (617, 257960), (1234, 128980), (2468, 64490), (3085, 51592), (4936, 32245), (6170, 25796), (6449, 24680), (12340, 12898)]