53139760

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6449}}^1$

素因数の和:6565

約数の個数: 40

約数和(自身を含む): 124768800

約数和(自身を除く): 71629040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 6449, 8240, 12898, 25796, 32245, 51592, 64490, 103184, 128980, 257960, 515920, 664247, 1328494, 2656988, 3321235, 5313976, 6642470, 10627952, 13284940, 26569880, 53139760]

約数ペア:

[(1, 53139760), (2, 26569880), (4, 13284940), (5, 10627952), (8, 6642470), (10, 5313976), (16, 3321235), (20, 2656988), (40, 1328494), (80, 664247), (103, 515920), (206, 257960), (412, 128980), (515, 103184), (824, 64490), (1030, 51592), (1648, 32245), (2060, 25796), (4120, 12898), (6449, 8240)]