87020180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{334693}}^1$

素因数の和:334715

約数の個数: 24

約数和(自身を含む): 196800072

約数和(自身を除く): 109779892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 334693, 669386, 1338772, 1673465, 3346930, 4351009, 6693860, 8702018, 17404036, 21755045, 43510090, 87020180]

約数ペア:

[(1, 87020180), (2, 43510090), (4, 21755045), (5, 17404036), (10, 8702018), (13, 6693860), (20, 4351009), (26, 3346930), (52, 1673465), (65, 1338772), (130, 669386), (260, 334693)]