29008720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27893}}^1$

素因数の和:27919

約数の個数: 40

約数和(自身を含む): 72635976

約数和(自身を除く): 43627256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27893, 55786, 111572, 139465, 223144, 278930, 362609, 446288, 557860, 725218, 1115720, 1450436, 1813045, 2231440, 2900872, 3626090, 5801744, 7252180, 14504360, 29008720]

約数ペア:

[(1, 29008720), (2, 14504360), (4, 7252180), (5, 5801744), (8, 3626090), (10, 2900872), (13, 2231440), (16, 1813045), (20, 1450436), (26, 1115720), (40, 725218), (52, 557860), (65, 446288), (80, 362609), (104, 278930), (130, 223144), (208, 139465), (260, 111572), (520, 55786), (1040, 27893)]