81139970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{3371}}^1$

素因数の和:3490

約数の個数: 32

約数和(自身を含む): 152953920

約数和(自身を除く): 71813950

約数列:

[1, 2, 5, 10, 29, 58, 83, 145, 166, 290, 415, 830, 2407, 3371, 4814, 6742, 12035, 16855, 24070, 33710, 97759, 195518, 279793, 488795, 559586, 977590, 1398965, 2797930, 8113997, 16227994, 40569985, 81139970]

約数ペア:

[(1, 81139970), (2, 40569985), (5, 16227994), (10, 8113997), (29, 2797930), (58, 1398965), (83, 977590), (145, 559586), (166, 488795), (290, 279793), (415, 195518), (830, 97759), (2407, 33710), (3371, 24070), (4814, 16855), (6742, 12035)]