25313492740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{318569}}^1$

素因数の和:318744

約数の個数: 48

約数和(自身を含む): 55392951600

約数和(自身を除く): 30079458860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 274, 290, 548, 580, 685, 1370, 2740, 3973, 7946, 15892, 19865, 39730, 79460, 318569, 637138, 1274276, 1592845, 3185690, 6371380, 9238501, 18477002, 36954004, 43643953, 46192505, 87287906, 92385010, 174575812, 184770020, 218219765, 436439530, 872879060, 1265674637, 2531349274, 5062698548, 6328373185, 12656746370, 25313492740]

約数ペア:

[(1, 25313492740), (2, 12656746370), (4, 6328373185), (5, 5062698548), (10, 2531349274), (20, 1265674637), (29, 872879060), (58, 436439530), (116, 218219765), (137, 184770020), (145, 174575812), (274, 92385010), (290, 87287906), (548, 46192505), (580, 43643953), (685, 36954004), (1370, 18477002), (2740, 9238501), (3973, 6371380), (7946, 3185690), (15892, 1592845), (19865, 1274276), (39730, 637138), (79460, 318569)]