204466520

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{6917}}^1$

素因数の和:7667

約数の個数: 32

約数和(自身を含む): 460738800

約数和(自身を除く): 256272280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2956, 3695, 5912, 6917, 7390, 13834, 14780, 27668, 29560, 34585, 55336, 69170, 138340, 276680, 5111663, 10223326, 20446652, 25558315, 40893304, 51116630, 102233260, 204466520]

約数ペア:

[(1, 204466520), (2, 102233260), (4, 51116630), (5, 40893304), (8, 25558315), (10, 20446652), (20, 10223326), (40, 5111663), (739, 276680), (1478, 138340), (2956, 69170), (3695, 55336), (5912, 34585), (6917, 29560), (7390, 27668), (13834, 14780)]