81039125

素因数分解:

$5^3\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 104727168

約数和(自身を除く): 23688043

約数列:

[1, 5, 25, 73, 83, 107, 125, 365, 415, 535, 1825, 2075, 2675, 6059, 7811, 8881, 9125, 10375, 13375, 30295, 39055, 44405, 151475, 195275, 222025, 648313, 757375, 976375, 1110125, 3241565, 16207825, 81039125]

約数ペア:

[(1, 81039125), (5, 16207825), (25, 3241565), (73, 1110125), (83, 976375), (107, 757375), (125, 648313), (365, 222025), (415, 195275), (535, 151475), (1825, 44405), (2075, 39055), (2675, 30295), (6059, 13375), (7811, 10375), (8881, 9125)]