80155840

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2341}}^1$

素因数の和:2465

約数の個数: 56

約数和(自身を含む): 192737232

約数和(自身を除く): 112581392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 856, 1070, 1712, 2140, 2341, 3424, 4280, 4682, 6848, 8560, 9364, 11705, 17120, 18728, 23410, 34240, 37456, 46820, 74912, 93640, 149824, 187280, 250487, 374560, 500974, 749120, 1001948, 1252435, 2003896, 2504870, 4007792, 5009740, 8015584, 10019480, 16031168, 20038960, 40077920, 80155840]

約数ペア:

[(1, 80155840), (2, 40077920), (4, 20038960), (5, 16031168), (8, 10019480), (10, 8015584), (16, 5009740), (20, 4007792), (32, 2504870), (40, 2003896), (64, 1252435), (80, 1001948), (107, 749120), (160, 500974), (214, 374560), (320, 250487), (428, 187280), (535, 149824), (856, 93640), (1070, 74912), (1712, 46820), (2140, 37456), (2341, 34240), (3424, 23410), (4280, 18728), (4682, 17120), (6848, 11705), (8560, 9364)]