28314680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15061}}^1$

素因数の和:15119

約数の個数: 32

約数和(自身を含む): 65067840

約数和(自身を除く): 36753160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 15061, 30122, 60244, 75305, 120488, 150610, 301220, 602440, 707867, 1415734, 2831468, 3539335, 5662936, 7078670, 14157340, 28314680]

約数ペア:

[(1, 28314680), (2, 14157340), (4, 7078670), (5, 5662936), (8, 3539335), (10, 2831468), (20, 1415734), (40, 707867), (47, 602440), (94, 301220), (188, 150610), (235, 120488), (376, 75305), (470, 60244), (940, 30122), (1880, 15061)]