42172490

素因数分解:

$2^1\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{2131}}^1$

素因数の和:4117

約数の個数: 16

約数和(自身を含む): 75984480

約数和(自身を除く): 33811990

約数列:

[1, 2, 5, 10, 1979, 2131, 3958, 4262, 9895, 10655, 19790, 21310, 4217249, 8434498, 21086245, 42172490]

約数ペア:

[(1, 42172490), (2, 21086245), (5, 8434498), (10, 4217249), (1979, 21310), (2131, 19790), (3958, 10655), (4262, 9895)]