26561220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{63241}}^1$

素因数の和:63260

約数の個数: 48

約数和(自身を含む): 84997248

約数和(自身を除く): 58436028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 63241, 126482, 189723, 252964, 316205, 379446, 442687, 632410, 758892, 885374, 948615, 1264820, 1328061, 1770748, 1897230, 2213435, 2656122, 3794460, 4426870, 5312244, 6640305, 8853740, 13280610, 26561220]

約数ペア:

[(1, 26561220), (2, 13280610), (3, 8853740), (4, 6640305), (5, 5312244), (6, 4426870), (7, 3794460), (10, 2656122), (12, 2213435), (14, 1897230), (15, 1770748), (20, 1328061), (21, 1264820), (28, 948615), (30, 885374), (35, 758892), (42, 632410), (60, 442687), (70, 379446), (84, 316205), (105, 252964), (140, 189723), (210, 126482), (420, 63241)]