40019978

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{1051}}^1$

素因数の和:1373

約数の個数: 16

約数和(自身を含む): 61100160

約数和(自身を除く): 21080182

約数列:

[1, 2, 79, 158, 241, 482, 1051, 2102, 19039, 38078, 83029, 166058, 253291, 506582, 20009989, 40019978]

約数ペア:

[(1, 40019978), (2, 20009989), (79, 506582), (158, 253291), (241, 166058), (482, 83029), (1051, 38078), (2102, 19039)]