158623760

素因数分解:

$2^4\times 5^1\times {\mathrm{1982797}}^1$

素因数の和:1982810

約数の個数: 20

約数和(自身を含む): 368800428

約数和(自身を除く): 210176668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1982797, 3965594, 7931188, 9913985, 15862376, 19827970, 31724752, 39655940, 79311880, 158623760]

約数ペア:

[(1, 158623760), (2, 79311880), (4, 39655940), (5, 31724752), (8, 19827970), (10, 15862376), (16, 9913985), (20, 7931188), (40, 3965594), (80, 1982797)]