18590080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:987

約数の個数: 64

約数和(自身を含む): 45924480

約数和(自身を除く): 27334400

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, 937, 992, 1240, 1874, 1984, 2480, 3748, 3968, 4685, 4960, 7496, 9370, 9920, 14992, 18740, 19840, 29047, 29984, 37480, 58094, 59968, 74960, 116188, 119936, 145235, 149920, 232376, 290470, 299840, 464752, 580940, 599680, 929504, 1161880, 1859008, 2323760, 3718016, 4647520, 9295040, 18590080]

約数ペア:

[(1, 18590080), (2, 9295040), (4, 4647520), (5, 3718016), (8, 2323760), (10, 1859008), (16, 1161880), (20, 929504), (31, 599680), (32, 580940), (40, 464752), (62, 299840), (64, 290470), (80, 232376), (124, 149920), (128, 145235), (155, 119936), (160, 116188), (248, 74960), (310, 59968), (320, 58094), (496, 37480), (620, 29984), (640, 29047), (937, 19840), (992, 18740), (1240, 14992), (1874, 9920), (1984, 9370), (2480, 7496), (3748, 4960), (3968, 4685)]