164647520

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4877}}^1$

素因数の和:5103

約数の個数: 48

約数和(自身を含む): 390903408

約数和(自身を除く): 226255888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 4877, 6752, 8440, 9754, 16880, 19508, 24385, 33760, 39016, 48770, 78032, 97540, 156064, 195080, 390160, 780320, 1029047, 2058094, 4116188, 5145235, 8232376, 10290470, 16464752, 20580940, 32929504, 41161880, 82323760, 164647520]

約数ペア:

[(1, 164647520), (2, 82323760), (4, 41161880), (5, 32929504), (8, 20580940), (10, 16464752), (16, 10290470), (20, 8232376), (32, 5145235), (40, 4116188), (80, 2058094), (160, 1029047), (211, 780320), (422, 390160), (844, 195080), (1055, 156064), (1688, 97540), (2110, 78032), (3376, 48770), (4220, 39016), (4877, 33760), (6752, 24385), (8440, 19508), (9754, 16880)]