127245640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{38327}}^1$

素因数の和:38421

約数の個数: 32

約数和(自身を含む): 289759680

約数和(自身を除く): 162514040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 38327, 76654, 153308, 191635, 306616, 383270, 766540, 1533080, 3181141, 6362282, 12724564, 15905705, 25449128, 31811410, 63622820, 127245640]

約数ペア:

[(1, 127245640), (2, 63622820), (4, 31811410), (5, 25449128), (8, 15905705), (10, 12724564), (20, 6362282), (40, 3181141), (83, 1533080), (166, 766540), (332, 383270), (415, 306616), (664, 191635), (830, 153308), (1660, 76654), (3320, 38327)]