18487280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33013}}^1$

素因数の和:33033

約数の個数: 40

約数和(自身を含む): 49124832

約数和(自身を除く): 30637552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33013, 66026, 132052, 165065, 231091, 264104, 330130, 462182, 528208, 660260, 924364, 1155455, 1320520, 1848728, 2310910, 2641040, 3697456, 4621820, 9243640, 18487280]

約数ペア:

[(1, 18487280), (2, 9243640), (4, 4621820), (5, 3697456), (7, 2641040), (8, 2310910), (10, 1848728), (14, 1320520), (16, 1155455), (20, 924364), (28, 660260), (35, 528208), (40, 462182), (56, 330130), (70, 264104), (80, 231091), (112, 165065), (140, 132052), (280, 66026), (560, 33013)]