29678840

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1549}}^1$

素因数の和:2039

約数の個数: 32

約数和(自身を含む): 66960000

約数和(自身を除く): 37281160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1549, 1916, 2395, 3098, 3832, 4790, 6196, 7745, 9580, 12392, 15490, 19160, 30980, 61960, 741971, 1483942, 2967884, 3709855, 5935768, 7419710, 14839420, 29678840]

約数ペア:

[(1, 29678840), (2, 14839420), (4, 7419710), (5, 5935768), (8, 3709855), (10, 2967884), (20, 1483942), (40, 741971), (479, 61960), (958, 30980), (1549, 19160), (1916, 15490), (2395, 12392), (3098, 9580), (3832, 7745), (4790, 6196)]