61580840

素因数分解:

$2^3\times 5^1\times {\mathrm{1539521}}^1$

素因数の和:1539532

約数の個数: 16

約数和(自身を含む): 138556980

約数和(自身を除く): 76976140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1539521, 3079042, 6158084, 7697605, 12316168, 15395210, 30790420, 61580840]

約数ペア:

[(1, 61580840), (2, 30790420), (4, 15395210), (5, 12316168), (8, 7697605), (10, 6158084), (20, 3079042), (40, 1539521)]