28981040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32933}}^1$

素因数の和:32957

約数の個数: 40

約数和(自身を含む): 73508688

約数和(自身を除く): 44527648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32933, 65866, 131732, 164665, 263464, 329330, 362263, 526928, 658660, 724526, 1317320, 1449052, 1811315, 2634640, 2898104, 3622630, 5796208, 7245260, 14490520, 28981040]

約数ペア:

[(1, 28981040), (2, 14490520), (4, 7245260), (5, 5796208), (8, 3622630), (10, 2898104), (11, 2634640), (16, 1811315), (20, 1449052), (22, 1317320), (40, 724526), (44, 658660), (55, 526928), (80, 362263), (88, 329330), (110, 263464), (176, 164665), (220, 131732), (440, 65866), (880, 32933)]