16407440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 44247168

約数和(自身を除く): 27839728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 353, 415, 560, 581, 664, 706, 830, 1162, 1328, 1412, 1660, 1765, 2324, 2471, 2824, 2905, 3320, 3530, 4648, 4942, 5648, 5810, 6640, 7060, 9296, 9884, 11620, 12355, 14120, 19768, 23240, 24710, 28240, 29299, 39536, 46480, 49420, 58598, 98840, 117196, 146495, 197680, 205093, 234392, 292990, 410186, 468784, 585980, 820372, 1025465, 1171960, 1640744, 2050930, 2343920, 3281488, 4101860, 8203720, 16407440]

約数ペア:

[(1, 16407440), (2, 8203720), (4, 4101860), (5, 3281488), (7, 2343920), (8, 2050930), (10, 1640744), (14, 1171960), (16, 1025465), (20, 820372), (28, 585980), (35, 468784), (40, 410186), (56, 292990), (70, 234392), (80, 205093), (83, 197680), (112, 146495), (140, 117196), (166, 98840), (280, 58598), (332, 49420), (353, 46480), (415, 39536), (560, 29299), (581, 28240), (664, 24710), (706, 23240), (830, 19768), (1162, 14120), (1328, 12355), (1412, 11620), (1660, 9884), (1765, 9296), (2324, 7060), (2471, 6640), (2824, 5810), (2905, 5648), (3320, 4942), (3530, 4648)]