66979280

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15797}}^1$

素因数の和:15863

約数の個数: 40

約数和(自身を含む): 158675112

約数和(自身を除く): 91695832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 15797, 31594, 63188, 78985, 126376, 157970, 252752, 315940, 631880, 837241, 1263760, 1674482, 3348964, 4186205, 6697928, 8372410, 13395856, 16744820, 33489640, 66979280]

約数ペア:

[(1, 66979280), (2, 33489640), (4, 16744820), (5, 13395856), (8, 8372410), (10, 6697928), (16, 4186205), (20, 3348964), (40, 1674482), (53, 1263760), (80, 837241), (106, 631880), (212, 315940), (265, 252752), (424, 157970), (530, 126376), (848, 78985), (1060, 63188), (2120, 31594), (4240, 15797)]