2028156975940

素因数分解:

$2^2\times 5^1\times {\mathrm{8123}}^1\times {\mathrm{12484039}}^1$

素因数の和:12492171

約数の個数: 24

約数和(自身を含む): 4259654320320

約数和(自身を除く): 2231497344380

約数列:

[1, 2, 4, 5, 10, 20, 8123, 16246, 32492, 40615, 81230, 162460, 12484039, 24968078, 49936156, 62420195, 124840390, 249680780, 101407848797, 202815697594, 405631395188, 507039243985, 1014078487970, 2028156975940]

約数ペア:

[(1, 2028156975940), (2, 1014078487970), (4, 507039243985), (5, 405631395188), (10, 202815697594), (20, 101407848797), (8123, 249680780), (16246, 124840390), (32492, 62420195), (40615, 49936156), (81230, 24968078), (162460, 12484039)]