64273340

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{6389}}^1$

素因数の和:6901

約数の個数: 24

約数和(自身を含む): 135263520

約数和(自身を除く): 70990180

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 6389, 10060, 12778, 25556, 31945, 63890, 127780, 3213667, 6427334, 12854668, 16068335, 32136670, 64273340]

約数ペア:

[(1, 64273340), (2, 32136670), (4, 16068335), (5, 12854668), (10, 6427334), (20, 3213667), (503, 127780), (1006, 63890), (2012, 31945), (2515, 25556), (5030, 12778), (6389, 10060)]