52804420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{138959}}^1$

素因数の和:138987

約数の個数: 24

約数和(自身を含む): 116726400

約数和(自身を除く): 63921980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 138959, 277918, 555836, 694795, 1389590, 2640221, 2779180, 5280442, 10560884, 13201105, 26402210, 52804420]

約数ペア:

[(1, 52804420), (2, 26402210), (4, 13201105), (5, 10560884), (10, 5280442), (19, 2779180), (20, 2640221), (38, 1389590), (76, 694795), (95, 555836), (190, 277918), (380, 138959)]