164023340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{11903}}^1$

素因数の和:11978

約数の個数: 48

約数和(自身を含む): 377975808

約数和(自身を除く): 213952468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 11903, 13780, 23806, 47612, 59515, 119030, 154739, 238060, 309478, 618956, 630859, 773695, 1261718, 1547390, 2523436, 3094780, 3154295, 6308590, 8201167, 12617180, 16402334, 32804668, 41005835, 82011670, 164023340]

約数ペア:

[(1, 164023340), (2, 82011670), (4, 41005835), (5, 32804668), (10, 16402334), (13, 12617180), (20, 8201167), (26, 6308590), (52, 3154295), (53, 3094780), (65, 2523436), (106, 1547390), (130, 1261718), (212, 773695), (260, 630859), (265, 618956), (530, 309478), (689, 238060), (1060, 154739), (1378, 119030), (2756, 59515), (3445, 47612), (6890, 23806), (11903, 13780)]