84965480

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{10067}}^1$

素因数の和:10289

約数の個数: 32

約数和(自身を含む): 192097440

約数和(自身を除く): 107131960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 10067, 20134, 40268, 50335, 80536, 100670, 201340, 402680, 2124137, 4248274, 8496548, 10620685, 16993096, 21241370, 42482740, 84965480]

約数ペア:

[(1, 84965480), (2, 42482740), (4, 21241370), (5, 16993096), (8, 10620685), (10, 8496548), (20, 4248274), (40, 2124137), (211, 402680), (422, 201340), (844, 100670), (1055, 80536), (1688, 50335), (2110, 40268), (4220, 20134), (8440, 10067)]