129011464840

素因数分解:

$2^3\times 5^1\times {\mathrm{6367}}^1\times {\mathrm{506563}}^1$

素因数の和:512941

約数の個数: 32

約数和(自身を含む): 290321959680

約数和(自身を除く): 161310494840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6367, 12734, 25468, 31835, 50936, 63670, 127340, 254680, 506563, 1013126, 2026252, 2532815, 4052504, 5065630, 10131260, 20262520, 3225286621, 6450573242, 12901146484, 16126433105, 25802292968, 32252866210, 64505732420, 129011464840]

約数ペア:

[(1, 129011464840), (2, 64505732420), (4, 32252866210), (5, 25802292968), (8, 16126433105), (10, 12901146484), (20, 6450573242), (40, 3225286621), (6367, 20262520), (12734, 10131260), (25468, 5065630), (31835, 4052504), (50936, 2532815), (63670, 2026252), (127340, 1013126), (254680, 506563)]