83728720

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1361}}^1$

素因数の和:2143

約数の個数: 40

約数和(自身を含む): 195065640

約数和(自身を除く): 111336920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 1361, 1538, 2722, 3076, 3845, 5444, 6152, 6805, 7690, 10888, 12304, 13610, 15380, 21776, 27220, 30760, 54440, 61520, 108880, 1046609, 2093218, 4186436, 5233045, 8372872, 10466090, 16745744, 20932180, 41864360, 83728720]

約数ペア:

[(1, 83728720), (2, 41864360), (4, 20932180), (5, 16745744), (8, 10466090), (10, 8372872), (16, 5233045), (20, 4186436), (40, 2093218), (80, 1046609), (769, 108880), (1361, 61520), (1538, 54440), (2722, 30760), (3076, 27220), (3845, 21776), (5444, 15380), (6152, 13610), (6805, 12304), (7690, 10888)]