40426960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10313}}^1$

素因数の和:10340

約数の個数: 60

約数和(自身を含む): 109349028

約数和(自身を除く): 68922068

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, 10313, 20626, 41252, 51565, 72191, 82504, 103130, 144382, 165008, 206260, 288764, 360955, 412520, 505337, 577528, 721910, 825040, 1010674, 1155056, 1443820, 2021348, 2526685, 2887640, 4042696, 5053370, 5775280, 8085392, 10106740, 20213480, 40426960]

約数ペア:

[(1, 40426960), (2, 20213480), (4, 10106740), (5, 8085392), (7, 5775280), (8, 5053370), (10, 4042696), (14, 2887640), (16, 2526685), (20, 2021348), (28, 1443820), (35, 1155056), (40, 1010674), (49, 825040), (56, 721910), (70, 577528), (80, 505337), (98, 412520), (112, 360955), (140, 288764), (196, 206260), (245, 165008), (280, 144382), (392, 103130), (490, 82504), (560, 72191), (784, 51565), (980, 41252), (1960, 20626), (3920, 10313)]