18457649680

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3910519}}^1$

素因数の和:3910591

約数の個数: 40

約数和(自身を含む): 43641403200

約数和(自身を除く): 25183753520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 3910519, 7821038, 15642076, 19552595, 31284152, 39105190, 62568304, 78210380, 156420760, 230720621, 312841520, 461441242, 922882484, 1153603105, 1845764968, 2307206210, 3691529936, 4614412420, 9228824840, 18457649680]

約数ペア:

[(1, 18457649680), (2, 9228824840), (4, 4614412420), (5, 3691529936), (8, 2307206210), (10, 1845764968), (16, 1153603105), (20, 922882484), (40, 461441242), (59, 312841520), (80, 230720621), (118, 156420760), (236, 78210380), (295, 62568304), (472, 39105190), (590, 31284152), (944, 19552595), (1180, 15642076), (2360, 7821038), (4720, 3910519)]