87564890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20507}}^1$

素因数の和:20582

約数の個数: 32

約数和(自身を含む): 183095424

約数和(自身を除く): 95530534

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 20507, 41014, 102535, 143549, 205070, 287098, 717745, 1250927, 1435490, 2501854, 6254635, 8756489, 12509270, 17512978, 43782445, 87564890]

約数ペア:

[(1, 87564890), (2, 43782445), (5, 17512978), (7, 12509270), (10, 8756489), (14, 6254635), (35, 2501854), (61, 1435490), (70, 1250927), (122, 717745), (305, 287098), (427, 205070), (610, 143549), (854, 102535), (2135, 41014), (4270, 20507)]