26631560

素因数分解:

$2^3\times 5^1\times {\mathrm{665789}}^1$

素因数の和:665800

約数の個数: 16

約数和(自身を含む): 59921100

約数和(自身を除く): 33289540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 665789, 1331578, 2663156, 3328945, 5326312, 6657890, 13315780, 26631560]

約数ペア:

[(1, 26631560), (2, 13315780), (4, 6657890), (5, 5326312), (8, 3328945), (10, 2663156), (20, 1331578), (40, 665789)]