39422080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2037

約数の個数: 64

約数和(自身を含む): 97332480

約数和(自身を除く): 57910400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 1987, 2480, 3968, 3974, 4960, 7948, 9920, 9935, 15896, 19840, 19870, 31792, 39740, 61597, 63584, 79480, 123194, 127168, 158960, 246388, 254336, 307985, 317920, 492776, 615970, 635840, 985552, 1231940, 1271680, 1971104, 2463880, 3942208, 4927760, 7884416, 9855520, 19711040, 39422080]

約数ペア:

[(1, 39422080), (2, 19711040), (4, 9855520), (5, 7884416), (8, 4927760), (10, 3942208), (16, 2463880), (20, 1971104), (31, 1271680), (32, 1231940), (40, 985552), (62, 635840), (64, 615970), (80, 492776), (124, 317920), (128, 307985), (155, 254336), (160, 246388), (248, 158960), (310, 127168), (320, 123194), (496, 79480), (620, 63584), (640, 61597), (992, 39740), (1240, 31792), (1984, 19870), (1987, 19840), (2480, 15896), (3968, 9935), (3974, 9920), (4960, 7948)]