30894320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9419}}^1$

素因数の和:9473

約数の個数: 40

約数和(自身を含む): 73589040

約数和(自身を除く): 42694720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 9419, 18838, 37676, 47095, 75352, 94190, 150704, 188380, 376760, 386179, 753520, 772358, 1544716, 1930895, 3089432, 3861790, 6178864, 7723580, 15447160, 30894320]

約数ペア:

[(1, 30894320), (2, 15447160), (4, 7723580), (5, 6178864), (8, 3861790), (10, 3089432), (16, 1930895), (20, 1544716), (40, 772358), (41, 753520), (80, 386179), (82, 376760), (164, 188380), (205, 150704), (328, 94190), (410, 75352), (656, 47095), (820, 37676), (1640, 18838), (3280, 9419)]