10881520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10463}}^1$

素因数の和:10489

約数の個数: 40

約数和(自身を含む): 27248256

約数和(自身を除く): 16366736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 10463, 20926, 41852, 52315, 83704, 104630, 136019, 167408, 209260, 272038, 418520, 544076, 680095, 837040, 1088152, 1360190, 2176304, 2720380, 5440760, 10881520]

約数ペア:

[(1, 10881520), (2, 5440760), (4, 2720380), (5, 2176304), (8, 1360190), (10, 1088152), (13, 837040), (16, 680095), (20, 544076), (26, 418520), (40, 272038), (52, 209260), (65, 167408), (80, 136019), (104, 104630), (130, 83704), (208, 52315), (260, 41852), (520, 20926), (1040, 10463)]