80978090

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{137251}}^1$

素因数の和:137317

約数の個数: 16

約数和(自身を含む): 148232160

約数和(自身を除く): 67254070

約数列:

[1, 2, 5, 10, 59, 118, 295, 590, 137251, 274502, 686255, 1372510, 8097809, 16195618, 40489045, 80978090]

約数ペア:

[(1, 80978090), (2, 40489045), (5, 16195618), (10, 8097809), (59, 1372510), (118, 686255), (295, 274502), (590, 137251)]