51363560

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3301}}^1$

素因数の和:3701

約数の個数: 32

約数和(自身を含む): 115900200

約数和(自身を除く): 64536640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3301, 3890, 6602, 7780, 13204, 15560, 16505, 26408, 33010, 66020, 132040, 1284089, 2568178, 5136356, 6420445, 10272712, 12840890, 25681780, 51363560]

約数ペア:

[(1, 51363560), (2, 25681780), (4, 12840890), (5, 10272712), (8, 6420445), (10, 5136356), (20, 2568178), (40, 1284089), (389, 132040), (778, 66020), (1556, 33010), (1945, 26408), (3112, 16505), (3301, 15560), (3890, 13204), (6602, 7780)]