19941040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5087}}^1$

素因数の和:5114

約数の個数: 60

約数和(自身を含む): 53942976

約数和(自身を除く): 34001936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5087, 10174, 20348, 25435, 35609, 40696, 50870, 71218, 81392, 101740, 142436, 178045, 203480, 249263, 284872, 356090, 406960, 498526, 569744, 712180, 997052, 1246315, 1424360, 1994104, 2492630, 2848720, 3988208, 4985260, 9970520, 19941040]

約数ペア:

[(1, 19941040), (2, 9970520), (4, 4985260), (5, 3988208), (7, 2848720), (8, 2492630), (10, 1994104), (14, 1424360), (16, 1246315), (20, 997052), (28, 712180), (35, 569744), (40, 498526), (49, 406960), (56, 356090), (70, 284872), (80, 249263), (98, 203480), (112, 178045), (140, 142436), (196, 101740), (245, 81392), (280, 71218), (392, 50870), (490, 40696), (560, 35609), (784, 25435), (980, 20348), (1960, 10174), (3920, 5087)]