39888830

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{28697}}^1$

素因数の和:28843

約数の個数: 16

約数和(自身を含む): 72318960

約数和(自身を除く): 32430130

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 28697, 57394, 143485, 286970, 3988883, 7977766, 19944415, 39888830]

約数ペア:

[(1, 39888830), (2, 19944415), (5, 7977766), (10, 3988883), (139, 286970), (278, 143485), (695, 57394), (1390, 28697)]