12783040

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{929}}^1$

素因数の和:989

約数の個数: 56

約数和(自身を含む): 31181040

約数和(自身を除く): 18398000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 929, 1376, 1720, 1858, 2752, 3440, 3716, 4645, 6880, 7432, 9290, 13760, 14864, 18580, 29728, 37160, 39947, 59456, 74320, 79894, 148640, 159788, 199735, 297280, 319576, 399470, 639152, 798940, 1278304, 1597880, 2556608, 3195760, 6391520, 12783040]

約数ペア:

[(1, 12783040), (2, 6391520), (4, 3195760), (5, 2556608), (8, 1597880), (10, 1278304), (16, 798940), (20, 639152), (32, 399470), (40, 319576), (43, 297280), (64, 199735), (80, 159788), (86, 148640), (160, 79894), (172, 74320), (215, 59456), (320, 39947), (344, 37160), (430, 29728), (688, 18580), (860, 14864), (929, 13760), (1376, 9290), (1720, 7432), (1858, 6880), (2752, 4645), (3440, 3716)]