42371810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{821}}^1$

素因数の和:1238

約数の個数: 32

約数和(自身を含む): 82443312

約数和(自身を除く): 40071502

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 397, 794, 821, 1642, 1985, 3970, 4105, 5161, 8210, 10322, 10673, 21346, 25805, 51610, 53365, 106730, 325937, 651874, 1629685, 3259370, 4237181, 8474362, 21185905, 42371810]

約数ペア:

[(1, 42371810), (2, 21185905), (5, 8474362), (10, 4237181), (13, 3259370), (26, 1629685), (65, 651874), (130, 325937), (397, 106730), (794, 53365), (821, 51610), (1642, 25805), (1985, 21346), (3970, 10673), (4105, 10322), (5161, 8210)]