78363620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{47207}}^1$

素因数の和:47299

約数の個数: 24

約数和(自身を含む): 166549824

約数和(自身を除く): 88186204

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 47207, 94414, 188828, 236035, 472070, 944140, 3918181, 7836362, 15672724, 19590905, 39181810, 78363620]

約数ペア:

[(1, 78363620), (2, 39181810), (4, 19590905), (5, 15672724), (10, 7836362), (20, 3918181), (83, 944140), (166, 472070), (332, 236035), (415, 188828), (830, 94414), (1660, 47207)]