66956720

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6389}}^1$

素因数の和:6533

約数の個数: 40

約数和(自身を含む): 156887280

約数和(自身を除く): 89930560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 6389, 10480, 12778, 25556, 31945, 51112, 63890, 102224, 127780, 255560, 511120, 836959, 1673918, 3347836, 4184795, 6695672, 8369590, 13391344, 16739180, 33478360, 66956720]

約数ペア:

[(1, 66956720), (2, 33478360), (4, 16739180), (5, 13391344), (8, 8369590), (10, 6695672), (16, 4184795), (20, 3347836), (40, 1673918), (80, 836959), (131, 511120), (262, 255560), (524, 127780), (655, 102224), (1048, 63890), (1310, 51112), (2096, 31945), (2620, 25556), (5240, 12778), (6389, 10480)]