51455990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{270821}}^1$

素因数の和:270847

約数の個数: 16

約数和(自身を含む): 97495920

約数和(自身を除く): 46039930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 270821, 541642, 1354105, 2708210, 5145599, 10291198, 25727995, 51455990]

約数ペア:

[(1, 51455990), (2, 25727995), (5, 10291198), (10, 5145599), (19, 2708210), (38, 1354105), (95, 541642), (190, 270821)]