16895480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 44029440

約数和(自身を除く): 27133960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 727, 830, 1162, 1454, 1660, 2324, 2905, 2908, 3320, 3635, 4648, 5089, 5810, 5816, 7270, 10178, 11620, 14540, 20356, 23240, 25445, 29080, 40712, 50890, 60341, 101780, 120682, 203560, 241364, 301705, 422387, 482728, 603410, 844774, 1206820, 1689548, 2111935, 2413640, 3379096, 4223870, 8447740, 16895480]

約数ペア:

[(1, 16895480), (2, 8447740), (4, 4223870), (5, 3379096), (7, 2413640), (8, 2111935), (10, 1689548), (14, 1206820), (20, 844774), (28, 603410), (35, 482728), (40, 422387), (56, 301705), (70, 241364), (83, 203560), (140, 120682), (166, 101780), (280, 60341), (332, 50890), (415, 40712), (581, 29080), (664, 25445), (727, 23240), (830, 20356), (1162, 14540), (1454, 11620), (1660, 10178), (2324, 7270), (2905, 5816), (2908, 5810), (3320, 5089), (3635, 4648)]