28903720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24917}}^1$

素因数の和:24957

約数の個数: 32

約数和(自身を含む): 67278600

約数和(自身を除く): 38374880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 24917, 49834, 99668, 124585, 199336, 249170, 498340, 722593, 996680, 1445186, 2890372, 3612965, 5780744, 7225930, 14451860, 28903720]

約数ペア:

[(1, 28903720), (2, 14451860), (4, 7225930), (5, 5780744), (8, 3612965), (10, 2890372), (20, 1445186), (29, 996680), (40, 722593), (58, 498340), (116, 249170), (145, 199336), (232, 124585), (290, 99668), (580, 49834), (1160, 24917)]