395773520

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{25633}}^1$

素因数の和:25839

約数の個数: 40

約数和(自身を含む): 924977256

約数和(自身を除く): 529203736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 25633, 51266, 102532, 128165, 205064, 256330, 410128, 512660, 1025320, 2050640, 4947169, 9894338, 19788676, 24735845, 39577352, 49471690, 79154704, 98943380, 197886760, 395773520]

約数ペア:

[(1, 395773520), (2, 197886760), (4, 98943380), (5, 79154704), (8, 49471690), (10, 39577352), (16, 24735845), (20, 19788676), (40, 9894338), (80, 4947169), (193, 2050640), (386, 1025320), (772, 512660), (965, 410128), (1544, 256330), (1930, 205064), (3088, 128165), (3860, 102532), (7720, 51266), (15440, 25633)]