53545420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{140909}}^1$

素因数の和:140937

約数の個数: 24

約数和(自身を含む): 118364400

約数和(自身を除く): 64818980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 140909, 281818, 563636, 704545, 1409090, 2677271, 2818180, 5354542, 10709084, 13386355, 26772710, 53545420]

約数ペア:

[(1, 53545420), (2, 26772710), (4, 13386355), (5, 10709084), (10, 5354542), (19, 2818180), (20, 2677271), (38, 1409090), (76, 704545), (95, 563636), (190, 281818), (380, 140909)]