127376980

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{7591}}^1$

素因数の和:8439

約数の個数: 24

約数和(自身を含む): 267845760

約数和(自身を除く): 140468780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 3356, 4195, 7591, 8390, 15182, 16780, 30364, 37955, 75910, 151820, 6368849, 12737698, 25475396, 31844245, 63688490, 127376980]

約数ペア:

[(1, 127376980), (2, 63688490), (4, 31844245), (5, 25475396), (10, 12737698), (20, 6368849), (839, 151820), (1678, 75910), (3356, 37955), (4195, 30364), (7591, 16780), (8390, 15182)]