11661520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11213}}^1$

素因数の和:11239

約数の個数: 40

約数和(自身を含む): 29201256

約数和(自身を除く): 17539736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 11213, 22426, 44852, 56065, 89704, 112130, 145769, 179408, 224260, 291538, 448520, 583076, 728845, 897040, 1166152, 1457690, 2332304, 2915380, 5830760, 11661520]

約数ペア:

[(1, 11661520), (2, 5830760), (4, 2915380), (5, 2332304), (8, 1457690), (10, 1166152), (13, 897040), (16, 728845), (20, 583076), (26, 448520), (40, 291538), (52, 224260), (65, 179408), (80, 145769), (104, 112130), (130, 89704), (208, 56065), (260, 44852), (520, 22426), (1040, 11213)]