3081520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2963}}^1$

素因数の和:2989

約数の個数: 40

約数和(自身を含む): 7718256

約数和(自身を除く): 4636736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2963, 5926, 11852, 14815, 23704, 29630, 38519, 47408, 59260, 77038, 118520, 154076, 192595, 237040, 308152, 385190, 616304, 770380, 1540760, 3081520]

約数ペア:

[(1, 3081520), (2, 1540760), (4, 770380), (5, 616304), (8, 385190), (10, 308152), (13, 237040), (16, 192595), (20, 154076), (26, 118520), (40, 77038), (52, 59260), (65, 47408), (80, 38519), (104, 29630), (130, 23704), (208, 14815), (260, 11852), (520, 5926), (1040, 2963)]