29965520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28813}}^1$

素因数の和:28839

約数の個数: 40

約数和(自身を含む): 75031656

約数和(自身を除く): 45066136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 28813, 57626, 115252, 144065, 230504, 288130, 374569, 461008, 576260, 749138, 1152520, 1498276, 1872845, 2305040, 2996552, 3745690, 5993104, 7491380, 14982760, 29965520]

約数ペア:

[(1, 29965520), (2, 14982760), (4, 7491380), (5, 5993104), (8, 3745690), (10, 2996552), (13, 2305040), (16, 1872845), (20, 1498276), (26, 1152520), (40, 749138), (52, 576260), (65, 461008), (80, 374569), (104, 288130), (130, 230504), (208, 144065), (260, 115252), (520, 57626), (1040, 28813)]