168543920

素因数分解:

$2^4\times 5^1\times {\mathrm{787}}^1\times {\mathrm{2677}}^1$

素因数の和:3477

約数の個数: 40

約数和(自身を含む): 392509104

約数和(自身を除く): 223965184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 787, 1574, 2677, 3148, 3935, 5354, 6296, 7870, 10708, 12592, 13385, 15740, 21416, 26770, 31480, 42832, 53540, 62960, 107080, 214160, 2106799, 4213598, 8427196, 10533995, 16854392, 21067990, 33708784, 42135980, 84271960, 168543920]

約数ペア:

[(1, 168543920), (2, 84271960), (4, 42135980), (5, 33708784), (8, 21067990), (10, 16854392), (16, 10533995), (20, 8427196), (40, 4213598), (80, 2106799), (787, 214160), (1574, 107080), (2677, 62960), (3148, 53540), (3935, 42832), (5354, 31480), (6296, 26770), (7870, 21416), (10708, 15740), (12592, 13385)]