81834160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23789}}^1$

素因数の和:23845

約数の個数: 40

約数和(自身を含む): 194697360

約数和(自身を除く): 112863200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 23789, 47578, 95156, 118945, 190312, 237890, 380624, 475780, 951560, 1022927, 1903120, 2045854, 4091708, 5114635, 8183416, 10229270, 16366832, 20458540, 40917080, 81834160]

約数ペア:

[(1, 81834160), (2, 40917080), (4, 20458540), (5, 16366832), (8, 10229270), (10, 8183416), (16, 5114635), (20, 4091708), (40, 2045854), (43, 1903120), (80, 1022927), (86, 951560), (172, 475780), (215, 380624), (344, 237890), (430, 190312), (688, 118945), (860, 95156), (1720, 47578), (3440, 23789)]