80396210

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{57839}}^1$

素因数の和:57985

約数の個数: 16

約数和(自身を含む): 145756800

約数和(自身を除く): 65360590

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 57839, 115678, 289195, 578390, 8039621, 16079242, 40198105, 80396210]

約数ペア:

[(1, 80396210), (2, 40198105), (5, 16079242), (10, 8039621), (139, 578390), (278, 289195), (695, 115678), (1390, 57839)]