28262680

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9679}}^1$

素因数の和:9763

約数の個数: 32

約数和(自身を含む): 64468800

約数和(自身を除く): 36206120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 9679, 19358, 38716, 48395, 77432, 96790, 193580, 387160, 706567, 1413134, 2826268, 3532835, 5652536, 7065670, 14131340, 28262680]

約数ペア:

[(1, 28262680), (2, 14131340), (4, 7065670), (5, 5652536), (8, 3532835), (10, 2826268), (20, 1413134), (40, 706567), (73, 387160), (146, 193580), (292, 96790), (365, 77432), (584, 48395), (730, 38716), (1460, 19358), (2920, 9679)]