64380520

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{2687}}^1$

素因数の和:3297

約数の個数: 32

約数和(自身を含む): 145152000

約数和(自身を除く): 80771480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 1198, 2396, 2687, 2995, 4792, 5374, 5990, 10748, 11980, 13435, 21496, 23960, 26870, 53740, 107480, 1609513, 3219026, 6438052, 8047565, 12876104, 16095130, 32190260, 64380520]

約数ペア:

[(1, 64380520), (2, 32190260), (4, 16095130), (5, 12876104), (8, 8047565), (10, 6438052), (20, 3219026), (40, 1609513), (599, 107480), (1198, 53740), (2396, 26870), (2687, 23960), (2995, 21496), (4792, 13435), (5374, 11980), (5990, 10748)]