79039375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 40

約数和(自身を含む): 107628048

約数和(自身を除く): 28588673

約数列:

[1, 5, 17, 25, 43, 85, 125, 173, 215, 425, 625, 731, 865, 1075, 2125, 2941, 3655, 4325, 5375, 7439, 10625, 14705, 18275, 21625, 26875, 37195, 73525, 91375, 108125, 126463, 185975, 367625, 456875, 632315, 929875, 1838125, 3161575, 4649375, 15807875, 79039375]

約数ペア:

[(1, 79039375), (5, 15807875), (17, 4649375), (25, 3161575), (43, 1838125), (85, 929875), (125, 632315), (173, 456875), (215, 367625), (425, 185975), (625, 126463), (731, 108125), (865, 91375), (1075, 73525), (2125, 37195), (2941, 26875), (3655, 21625), (4325, 18275), (5375, 14705), (7439, 10625)]