80411660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{14009}}^1$

素因数の和:14066

約数の個数: 48

約数和(自身を含む): 197709120

約数和(自身を除く): 117297460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 14009, 28018, 56036, 70045, 98063, 140090, 196126, 280180, 392252, 490315, 574369, 980630, 1148738, 1961260, 2297476, 2871845, 4020583, 5743690, 8041166, 11487380, 16082332, 20102915, 40205830, 80411660]

約数ペア:

[(1, 80411660), (2, 40205830), (4, 20102915), (5, 16082332), (7, 11487380), (10, 8041166), (14, 5743690), (20, 4020583), (28, 2871845), (35, 2297476), (41, 1961260), (70, 1148738), (82, 980630), (140, 574369), (164, 490315), (205, 392252), (287, 280180), (410, 196126), (574, 140090), (820, 98063), (1148, 70045), (1435, 56036), (2870, 28018), (5740, 14009)]