68170180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{262193}}^1$

素因数の和:262215

約数の個数: 24

約数和(自身を含む): 154170072

約数和(自身を除く): 85999892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 262193, 524386, 1048772, 1310965, 2621930, 3408509, 5243860, 6817018, 13634036, 17042545, 34085090, 68170180]

約数ペア:

[(1, 68170180), (2, 34085090), (4, 17042545), (5, 13634036), (10, 6817018), (13, 5243860), (20, 3408509), (26, 2621930), (52, 1310965), (65, 1048772), (130, 524386), (260, 262193)]