109561520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19289}}^1$

素因数の和:19373

約数の個数: 40

約数和(自身を含む): 258331680

約数和(自身を除く): 148770160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 19289, 38578, 77156, 96445, 154312, 192890, 308624, 385780, 771560, 1369519, 1543120, 2739038, 5478076, 6847595, 10956152, 13695190, 21912304, 27390380, 54780760, 109561520]

約数ペア:

[(1, 109561520), (2, 54780760), (4, 27390380), (5, 21912304), (8, 13695190), (10, 10956152), (16, 6847595), (20, 5478076), (40, 2739038), (71, 1543120), (80, 1369519), (142, 771560), (284, 385780), (355, 308624), (568, 192890), (710, 154312), (1136, 96445), (1420, 77156), (2840, 38578), (5680, 19289)]