788551660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1621}}^1\times {\mathrm{1871}}^1$

素因数の和:3514

約数の個数: 48

約数和(自身を含む): 1785393792

約数和(自身を除く): 996842132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1621, 1871, 3242, 3742, 6484, 7484, 8105, 9355, 16210, 18710, 21073, 24323, 32420, 37420, 42146, 48646, 84292, 97292, 105365, 121615, 210730, 243230, 421460, 486460, 3032891, 6065782, 12131564, 15164455, 30328910, 39427583, 60657820, 78855166, 157710332, 197137915, 394275830, 788551660]

約数ペア:

[(1, 788551660), (2, 394275830), (4, 197137915), (5, 157710332), (10, 78855166), (13, 60657820), (20, 39427583), (26, 30328910), (52, 15164455), (65, 12131564), (130, 6065782), (260, 3032891), (1621, 486460), (1871, 421460), (3242, 243230), (3742, 210730), (6484, 121615), (7484, 105365), (8105, 97292), (9355, 84292), (16210, 48646), (18710, 42146), (21073, 37420), (24323, 32420)]