29917240

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{911}}^1$

素因数の和:1743

約数の個数: 32

約数和(自身を含む): 67469760

約数和(自身を除く): 37552520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 911, 1642, 1822, 3284, 3644, 4105, 4555, 6568, 7288, 8210, 9110, 16420, 18220, 32840, 36440, 747931, 1495862, 2991724, 3739655, 5983448, 7479310, 14958620, 29917240]

約数ペア:

[(1, 29917240), (2, 14958620), (4, 7479310), (5, 5983448), (8, 3739655), (10, 2991724), (20, 1495862), (40, 747931), (821, 36440), (911, 32840), (1642, 18220), (1822, 16420), (3284, 9110), (3644, 8210), (4105, 7288), (4555, 6568)]