51105040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13037}}^1$

素因数の和:13064

約数の個数: 60

約数和(自身を含む): 138228876

約数和(自身を除く): 87123836

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, 13037, 26074, 52148, 65185, 91259, 104296, 130370, 182518, 208592, 260740, 365036, 456295, 521480, 638813, 730072, 912590, 1042960, 1277626, 1460144, 1825180, 2555252, 3194065, 3650360, 5110504, 6388130, 7300720, 10221008, 12776260, 25552520, 51105040]

約数ペア:

[(1, 51105040), (2, 25552520), (4, 12776260), (5, 10221008), (7, 7300720), (8, 6388130), (10, 5110504), (14, 3650360), (16, 3194065), (20, 2555252), (28, 1825180), (35, 1460144), (40, 1277626), (49, 1042960), (56, 912590), (70, 730072), (80, 638813), (98, 521480), (112, 456295), (140, 365036), (196, 260740), (245, 208592), (280, 182518), (392, 130370), (490, 104296), (560, 91259), (784, 65185), (980, 52148), (1960, 26074), (3920, 13037)]