26893720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:848

約数の個数: 64

約数和(自身を含む): 69753600

約数和(自身を除く): 42859880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 691, 695, 973, 1112, 1382, 1390, 1946, 2764, 2780, 3455, 3892, 4837, 4865, 5528, 5560, 6910, 7784, 9674, 9730, 13820, 19348, 19460, 24185, 27640, 38696, 38920, 48370, 96049, 96740, 192098, 193480, 384196, 480245, 672343, 768392, 960490, 1344686, 1920980, 2689372, 3361715, 3841960, 5378744, 6723430, 13446860, 26893720]

約数ペア:

[(1, 26893720), (2, 13446860), (4, 6723430), (5, 5378744), (7, 3841960), (8, 3361715), (10, 2689372), (14, 1920980), (20, 1344686), (28, 960490), (35, 768392), (40, 672343), (56, 480245), (70, 384196), (139, 193480), (140, 192098), (278, 96740), (280, 96049), (556, 48370), (691, 38920), (695, 38696), (973, 27640), (1112, 24185), (1382, 19460), (1390, 19348), (1946, 13820), (2764, 9730), (2780, 9674), (3455, 7784), (3892, 6910), (4837, 5560), (4865, 5528)]