66123820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3719}}^1$

素因数の和:3862

約数の個数: 48

約数和(自身を含む): 159989760

約数和(自身を除く): 93865940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 3719, 4445, 7438, 8890, 14876, 17780, 18595, 26033, 37190, 52066, 74380, 104132, 130165, 260330, 472313, 520660, 944626, 1889252, 2361565, 3306191, 4723130, 6612382, 9446260, 13224764, 16530955, 33061910, 66123820]

約数ペア:

[(1, 66123820), (2, 33061910), (4, 16530955), (5, 13224764), (7, 9446260), (10, 6612382), (14, 4723130), (20, 3306191), (28, 2361565), (35, 1889252), (70, 944626), (127, 520660), (140, 472313), (254, 260330), (508, 130165), (635, 104132), (889, 74380), (1270, 52066), (1778, 37190), (2540, 26033), (3556, 18595), (3719, 17780), (4445, 14876), (7438, 8890)]