54691880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71963}}^1$

素因数の和:71993

約数の個数: 32

約数和(自身を含む): 129535200

約数和(自身を除く): 74843320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 71963, 143926, 287852, 359815, 575704, 719630, 1367297, 1439260, 2734594, 2878520, 5469188, 6836485, 10938376, 13672970, 27345940, 54691880]

約数ペア:

[(1, 54691880), (2, 27345940), (4, 13672970), (5, 10938376), (8, 6836485), (10, 5469188), (19, 2878520), (20, 2734594), (38, 1439260), (40, 1367297), (76, 719630), (95, 575704), (152, 359815), (190, 287852), (380, 143926), (760, 71963)]