25144440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{661}}^1$

素因数の和:992

約数の個数: 64

約数和(自身を含む): 75785760

約数和(自身を除く): 50641320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 317, 634, 661, 951, 1268, 1322, 1585, 1902, 1983, 2536, 2644, 3170, 3305, 3804, 3966, 4755, 5288, 6340, 6610, 7608, 7932, 9510, 9915, 12680, 13220, 15864, 19020, 19830, 26440, 38040, 39660, 79320, 209537, 419074, 628611, 838148, 1047685, 1257222, 1676296, 2095370, 2514444, 3143055, 4190740, 5028888, 6286110, 8381480, 12572220, 25144440]

約数ペア:

[(1, 25144440), (2, 12572220), (3, 8381480), (4, 6286110), (5, 5028888), (6, 4190740), (8, 3143055), (10, 2514444), (12, 2095370), (15, 1676296), (20, 1257222), (24, 1047685), (30, 838148), (40, 628611), (60, 419074), (120, 209537), (317, 79320), (634, 39660), (661, 38040), (951, 26440), (1268, 19830), (1322, 19020), (1585, 15864), (1902, 13220), (1983, 12680), (2536, 9915), (2644, 9510), (3170, 7932), (3305, 7608), (3804, 6610), (3966, 6340), (4755, 5288)]