16985120

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1279}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 23657440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1279, 1328, 1660, 2558, 2656, 3320, 5116, 6395, 6640, 10232, 12790, 13280, 20464, 25580, 40928, 51160, 102320, 106157, 204640, 212314, 424628, 530785, 849256, 1061570, 1698512, 2123140, 3397024, 4246280, 8492560, 16985120]

約数ペア:

[(1, 16985120), (2, 8492560), (4, 4246280), (5, 3397024), (8, 2123140), (10, 1698512), (16, 1061570), (20, 849256), (32, 530785), (40, 424628), (80, 212314), (83, 204640), (160, 106157), (166, 102320), (332, 51160), (415, 40928), (664, 25580), (830, 20464), (1279, 13280), (1328, 12790), (1660, 10232), (2558, 6640), (2656, 6395), (3320, 5116)]