420160910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{12289}}^1$

素因数の和:12572

約数の個数: 32

約数和(自身を含む): 817629120

約数和(自身を除く): 397468210

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 263, 526, 1315, 2630, 3419, 6838, 12289, 17095, 24578, 34190, 61445, 122890, 159757, 319514, 798785, 1597570, 3232007, 6464014, 16160035, 32320070, 42016091, 84032182, 210080455, 420160910]

約数ペア:

[(1, 420160910), (2, 210080455), (5, 84032182), (10, 42016091), (13, 32320070), (26, 16160035), (65, 6464014), (130, 3232007), (263, 1597570), (526, 798785), (1315, 319514), (2630, 159757), (3419, 122890), (6838, 61445), (12289, 34190), (17095, 24578)]