26798980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1747}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 61669440

約数和(自身を除く): 34870460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 1747, 3068, 3494, 3835, 6988, 7670, 8735, 15340, 17470, 22711, 34940, 45422, 90844, 103073, 113555, 206146, 227110, 412292, 454220, 515365, 1030730, 1339949, 2061460, 2679898, 5359796, 6699745, 13399490, 26798980]

約数ペア:

[(1, 26798980), (2, 13399490), (4, 6699745), (5, 5359796), (10, 2679898), (13, 2061460), (20, 1339949), (26, 1030730), (52, 515365), (59, 454220), (65, 412292), (118, 227110), (130, 206146), (236, 113555), (260, 103073), (295, 90844), (590, 45422), (767, 34940), (1180, 22711), (1534, 17470), (1747, 15340), (3068, 8735), (3494, 7670), (3835, 6988)]