28500125

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 37425024

約数和(自身を除く): 8924899

約数列:

[1, 5, 25, 41, 67, 83, 125, 205, 335, 415, 1025, 1675, 2075, 2747, 3403, 5125, 5561, 8375, 10375, 13735, 17015, 27805, 68675, 85075, 139025, 228001, 343375, 425375, 695125, 1140005, 5700025, 28500125]

約数ペア:

[(1, 28500125), (5, 5700025), (25, 1140005), (41, 695125), (67, 425375), (83, 343375), (125, 228001), (205, 139025), (335, 85075), (415, 68675), (1025, 27805), (1675, 17015), (2075, 13735), (2747, 10375), (3403, 8375), (5125, 5561)]