28657203760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12352243}}^1$

素因数の和:12352285

約数の個数: 40

約数和(自身を含む): 68925521520

約数和(自身を除く): 40268317760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 12352243, 24704486, 49408972, 61761215, 98817944, 123522430, 197635888, 247044860, 358215047, 494089720, 716430094, 988179440, 1432860188, 1791075235, 2865720376, 3582150470, 5731440752, 7164300940, 14328601880, 28657203760]

約数ペア:

[(1, 28657203760), (2, 14328601880), (4, 7164300940), (5, 5731440752), (8, 3582150470), (10, 2865720376), (16, 1791075235), (20, 1432860188), (29, 988179440), (40, 716430094), (58, 494089720), (80, 358215047), (116, 247044860), (145, 197635888), (232, 123522430), (290, 98817944), (464, 61761215), (580, 49408972), (1160, 24704486), (2320, 12352243)]