82045420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{215909}}^1$

素因数の和:215937

約数の個数: 24

約数和(自身を含む): 181364400

約数和(自身を除く): 99318980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 215909, 431818, 863636, 1079545, 2159090, 4102271, 4318180, 8204542, 16409084, 20511355, 41022710, 82045420]

約数ペア:

[(1, 82045420), (2, 41022710), (4, 20511355), (5, 16409084), (10, 8204542), (19, 4318180), (20, 4102271), (38, 2159090), (76, 1079545), (95, 863636), (190, 431818), (380, 215909)]