16563040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7963}}^1$

素因数の和:7991

約数の個数: 48

約数和(自身を含む): 42145488

約数和(自身を除く): 25582448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 7963, 15926, 31852, 39815, 63704, 79630, 103519, 127408, 159260, 207038, 254816, 318520, 414076, 517595, 637040, 828152, 1035190, 1274080, 1656304, 2070380, 3312608, 4140760, 8281520, 16563040]

約数ペア:

[(1, 16563040), (2, 8281520), (4, 4140760), (5, 3312608), (8, 2070380), (10, 1656304), (13, 1274080), (16, 1035190), (20, 828152), (26, 637040), (32, 517595), (40, 414076), (52, 318520), (65, 254816), (80, 207038), (104, 159260), (130, 127408), (160, 103519), (208, 79630), (260, 63704), (416, 39815), (520, 31852), (1040, 15926), (2080, 7963)]