6416240

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{577}}^1$

素因数の和:729

約数の個数: 40

約数和(自身を含む): 15051120

約数和(自身を除く): 8634880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 577, 695, 1112, 1154, 1390, 2224, 2308, 2780, 2885, 4616, 5560, 5770, 9232, 11120, 11540, 23080, 46160, 80203, 160406, 320812, 401015, 641624, 802030, 1283248, 1604060, 3208120, 6416240]

約数ペア:

[(1, 6416240), (2, 3208120), (4, 1604060), (5, 1283248), (8, 802030), (10, 641624), (16, 401015), (20, 320812), (40, 160406), (80, 80203), (139, 46160), (278, 23080), (556, 11540), (577, 11120), (695, 9232), (1112, 5770), (1154, 5560), (1390, 4616), (2224, 2885), (2308, 2780)]