84939220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{53759}}^1$

素因数の和:53847

約数の個数: 24

約数和(自身を含む): 180633600

約数和(自身を除く): 95694380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 53759, 107518, 215036, 268795, 537590, 1075180, 4246961, 8493922, 16987844, 21234805, 42469610, 84939220]

約数ペア:

[(1, 84939220), (2, 42469610), (4, 21234805), (5, 16987844), (10, 8493922), (20, 4246961), (79, 1075180), (158, 537590), (316, 268795), (395, 215036), (790, 107518), (1580, 53759)]