26790680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{587}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 69431040

約数和(自身を除く): 42640360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 587, 652, 815, 1141, 1174, 1304, 1630, 2282, 2348, 2935, 3260, 4109, 4564, 4696, 5705, 5870, 6520, 8218, 9128, 11410, 11740, 16436, 20545, 22820, 23480, 32872, 41090, 45640, 82180, 95681, 164360, 191362, 382724, 478405, 669767, 765448, 956810, 1339534, 1913620, 2679068, 3348835, 3827240, 5358136, 6697670, 13395340, 26790680]

約数ペア:

[(1, 26790680), (2, 13395340), (4, 6697670), (5, 5358136), (7, 3827240), (8, 3348835), (10, 2679068), (14, 1913620), (20, 1339534), (28, 956810), (35, 765448), (40, 669767), (56, 478405), (70, 382724), (140, 191362), (163, 164360), (280, 95681), (326, 82180), (587, 45640), (652, 41090), (815, 32872), (1141, 23480), (1174, 22820), (1304, 20545), (1630, 16436), (2282, 11740), (2348, 11410), (2935, 9128), (3260, 8218), (4109, 6520), (4564, 5870), (4696, 5705)]