26813780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{27361}}^1$

素因数の和:27384

約数の個数: 36

約数和(自身を含む): 65504628

約数和(自身を除く): 38690848

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 27361, 54722, 109444, 136805, 191527, 273610, 383054, 547220, 766108, 957635, 1340689, 1915270, 2681378, 3830540, 5362756, 6703445, 13406890, 26813780]

約数ペア:

[(1, 26813780), (2, 13406890), (4, 6703445), (5, 5362756), (7, 3830540), (10, 2681378), (14, 1915270), (20, 1340689), (28, 957635), (35, 766108), (49, 547220), (70, 383054), (98, 273610), (140, 191527), (196, 136805), (245, 109444), (490, 54722), (980, 27361)]