121414520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{57271}}^1$

素因数の和:57335

約数の個数: 32

約数和(自身を含む): 278341920

約数和(自身を除く): 156927400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 57271, 114542, 229084, 286355, 458168, 572710, 1145420, 2290840, 3035363, 6070726, 12141452, 15176815, 24282904, 30353630, 60707260, 121414520]

約数ペア:

[(1, 121414520), (2, 60707260), (4, 30353630), (5, 24282904), (8, 15176815), (10, 12141452), (20, 6070726), (40, 3035363), (53, 2290840), (106, 1145420), (212, 572710), (265, 458168), (424, 286355), (530, 229084), (1060, 114542), (2120, 57271)]