29807440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28661}}^1$

素因数の和:28687

約数の個数: 40

約数和(自身を含む): 74635848

約数和(自身を除く): 44828408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 28661, 57322, 114644, 143305, 229288, 286610, 372593, 458576, 573220, 745186, 1146440, 1490372, 1862965, 2292880, 2980744, 3725930, 5961488, 7451860, 14903720, 29807440]

約数ペア:

[(1, 29807440), (2, 14903720), (4, 7451860), (5, 5961488), (8, 3725930), (10, 2980744), (13, 2292880), (16, 1862965), (20, 1490372), (26, 1146440), (40, 745186), (52, 573220), (65, 458576), (80, 372593), (104, 286610), (130, 229288), (208, 143305), (260, 114644), (520, 57322), (1040, 28661)]