39704620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27961}}^1$

素因数の和:28041

約数の個数: 24

約数和(自身を含む): 84557088

約数和(自身を除く): 44852468

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 27961, 55922, 111844, 139805, 279610, 559220, 1985231, 3970462, 7940924, 9926155, 19852310, 39704620]

約数ペア:

[(1, 39704620), (2, 19852310), (4, 9926155), (5, 7940924), (10, 3970462), (20, 1985231), (71, 559220), (142, 279610), (284, 139805), (355, 111844), (710, 55922), (1420, 27961)]