11979440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13613}}^1$

素因数の和:13637

約数の個数: 40

約数和(自身を含む): 30386448

約数和(自身を除く): 18407008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 13613, 27226, 54452, 68065, 108904, 136130, 149743, 217808, 272260, 299486, 544520, 598972, 748715, 1089040, 1197944, 1497430, 2395888, 2994860, 5989720, 11979440]

約数ペア:

[(1, 11979440), (2, 5989720), (4, 2994860), (5, 2395888), (8, 1497430), (10, 1197944), (11, 1089040), (16, 748715), (20, 598972), (22, 544520), (40, 299486), (44, 272260), (55, 217808), (80, 149743), (88, 136130), (110, 108904), (176, 68065), (220, 54452), (440, 27226), (880, 13613)]