51551720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117163}}^1$

素因数の和:117185

約数の個数: 32

約数和(自身を含む): 126537120

約数和(自身を除く): 74985400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 117163, 234326, 468652, 585815, 937304, 1171630, 1288793, 2343260, 2577586, 4686520, 5155172, 6443965, 10310344, 12887930, 25775860, 51551720]

約数ペア:

[(1, 51551720), (2, 25775860), (4, 12887930), (5, 10310344), (8, 6443965), (10, 5155172), (11, 4686520), (20, 2577586), (22, 2343260), (40, 1288793), (44, 1171630), (55, 937304), (88, 585815), (110, 468652), (220, 234326), (440, 117163)]