39609640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{2887}}^1$

素因数の和:2919

約数の個数: 64

約数和(自身を含む): 103968000

約数和(自身を除く): 64358360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 2887, 3430, 5774, 6860, 11548, 13720, 14435, 20209, 23096, 28870, 40418, 57740, 80836, 101045, 115480, 141463, 161672, 202090, 282926, 404180, 565852, 707315, 808360, 990241, 1131704, 1414630, 1980482, 2829260, 3960964, 4951205, 5658520, 7921928, 9902410, 19804820, 39609640]

約数ペア:

[(1, 39609640), (2, 19804820), (4, 9902410), (5, 7921928), (7, 5658520), (8, 4951205), (10, 3960964), (14, 2829260), (20, 1980482), (28, 1414630), (35, 1131704), (40, 990241), (49, 808360), (56, 707315), (70, 565852), (98, 404180), (140, 282926), (196, 202090), (245, 161672), (280, 141463), (343, 115480), (392, 101045), (490, 80836), (686, 57740), (980, 40418), (1372, 28870), (1715, 23096), (1960, 20209), (2744, 14435), (2887, 13720), (3430, 11548), (5774, 6860)]