67520360

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{5393}}^1$

素因数の和:5717

約数の個数: 32

約数和(自身を含む): 152434440

約数和(自身を除く): 84914080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 5393, 6260, 10786, 12520, 21572, 26965, 43144, 53930, 107860, 215720, 1688009, 3376018, 6752036, 8440045, 13504072, 16880090, 33760180, 67520360]

約数ペア:

[(1, 67520360), (2, 33760180), (4, 16880090), (5, 13504072), (8, 8440045), (10, 6752036), (20, 3376018), (40, 1688009), (313, 215720), (626, 107860), (1252, 53930), (1565, 43144), (2504, 26965), (3130, 21572), (5393, 12520), (6260, 10786)]