145609840

素因数分解:

$2^4\times 5^1\times {\mathrm{1820123}}^1$

素因数の和:1820136

約数の個数: 20

約数和(自身を含む): 338543064

約数和(自身を除く): 192933224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1820123, 3640246, 7280492, 9100615, 14560984, 18201230, 29121968, 36402460, 72804920, 145609840]

約数ペア:

[(1, 145609840), (2, 72804920), (4, 36402460), (5, 29121968), (8, 18201230), (10, 14560984), (16, 9100615), (20, 7280492), (40, 3640246), (80, 1820123)]