26681480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13613}}^1$

素因数の和:13638

約数の個数: 48

約数和(自身を含む): 69839820

約数和(自身を除く): 43158340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 13613, 27226, 54452, 68065, 95291, 108904, 136130, 190582, 272260, 381164, 476455, 544520, 667037, 762328, 952910, 1334074, 1905820, 2668148, 3335185, 3811640, 5336296, 6670370, 13340740, 26681480]

約数ペア:

[(1, 26681480), (2, 13340740), (4, 6670370), (5, 5336296), (7, 3811640), (8, 3335185), (10, 2668148), (14, 1905820), (20, 1334074), (28, 952910), (35, 762328), (40, 667037), (49, 544520), (56, 476455), (70, 381164), (98, 272260), (140, 190582), (196, 136130), (245, 108904), (280, 95291), (392, 68065), (490, 54452), (980, 27226), (1960, 13613)]