131099120

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{2131}}^1$

素因数の和:2913

約数の個数: 40

約数和(自身を含む): 305345040

約数和(自身を除く): 174245920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 1538, 2131, 3076, 3845, 4262, 6152, 7690, 8524, 10655, 12304, 15380, 17048, 21310, 30760, 34096, 42620, 61520, 85240, 170480, 1638739, 3277478, 6554956, 8193695, 13109912, 16387390, 26219824, 32774780, 65549560, 131099120]

約数ペア:

[(1, 131099120), (2, 65549560), (4, 32774780), (5, 26219824), (8, 16387390), (10, 13109912), (16, 8193695), (20, 6554956), (40, 3277478), (80, 1638739), (769, 170480), (1538, 85240), (2131, 61520), (3076, 42620), (3845, 34096), (4262, 30760), (6152, 21310), (7690, 17048), (8524, 15380), (10655, 12304)]