1041820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4007}}^1$

素因数の和:4029

約数の個数: 24

約数和(自身を含む): 2356704

約数和(自身を除く): 1314884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4007, 8014, 16028, 20035, 40070, 52091, 80140, 104182, 208364, 260455, 520910, 1041820]

約数ペア:

[(1, 1041820), (2, 520910), (4, 260455), (5, 208364), (10, 104182), (13, 80140), (20, 52091), (26, 40070), (52, 20035), (65, 16028), (130, 8014), (260, 4007)]