12122980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 26389440

約数和(自身を除く): 14266460

約数列:

[1, 2, 4, 5, 10, 20, 67, 83, 109, 134, 166, 218, 268, 332, 335, 415, 436, 545, 670, 830, 1090, 1340, 1660, 2180, 5561, 7303, 9047, 11122, 14606, 18094, 22244, 27805, 29212, 36188, 36515, 45235, 55610, 73030, 90470, 111220, 146060, 180940, 606149, 1212298, 2424596, 3030745, 6061490, 12122980]

約数ペア:

[(1, 12122980), (2, 6061490), (4, 3030745), (5, 2424596), (10, 1212298), (20, 606149), (67, 180940), (83, 146060), (109, 111220), (134, 90470), (166, 73030), (218, 55610), (268, 45235), (332, 36515), (335, 36188), (415, 29212), (436, 27805), (545, 22244), (670, 18094), (830, 14606), (1090, 11122), (1340, 9047), (1660, 7303), (2180, 5561)]