26511380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{463}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 63920640

約数和(自身を除く): 37409260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 463, 818, 926, 1636, 1852, 2045, 2315, 2863, 3241, 4090, 4630, 5726, 6482, 8180, 9260, 11452, 12964, 14315, 16205, 28630, 32410, 57260, 64820, 189367, 378734, 757468, 946835, 1325569, 1893670, 2651138, 3787340, 5302276, 6627845, 13255690, 26511380]

約数ペア:

[(1, 26511380), (2, 13255690), (4, 6627845), (5, 5302276), (7, 3787340), (10, 2651138), (14, 1893670), (20, 1325569), (28, 946835), (35, 757468), (70, 378734), (140, 189367), (409, 64820), (463, 57260), (818, 32410), (926, 28630), (1636, 16205), (1852, 14315), (2045, 12964), (2315, 11452), (2863, 9260), (3241, 8180), (4090, 6482), (4630, 5726)]