79409240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27961}}^1$

素因数の和:28043

約数の個数: 32

約数和(自身を含む): 181193760

約数和(自身を除く): 101784520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 27961, 55922, 111844, 139805, 223688, 279610, 559220, 1118440, 1985231, 3970462, 7940924, 9926155, 15881848, 19852310, 39704620, 79409240]

約数ペア:

[(1, 79409240), (2, 39704620), (4, 19852310), (5, 15881848), (8, 9926155), (10, 7940924), (20, 3970462), (40, 1985231), (71, 1118440), (142, 559220), (284, 279610), (355, 223688), (568, 139805), (710, 111844), (1420, 55922), (2840, 27961)]