56765560

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3539}}^1$

素因数の和:3951

約数の個数: 32

約数和(自身を含む): 128077200

約数和(自身を除く): 71311640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 3539, 4010, 7078, 8020, 14156, 16040, 17695, 28312, 35390, 70780, 141560, 1419139, 2838278, 5676556, 7095695, 11353112, 14191390, 28382780, 56765560]

約数ペア:

[(1, 56765560), (2, 28382780), (4, 14191390), (5, 11353112), (8, 7095695), (10, 5676556), (20, 2838278), (40, 1419139), (401, 141560), (802, 70780), (1604, 35390), (2005, 28312), (3208, 17695), (3539, 16040), (4010, 14156), (7078, 8020)]