80974325

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 104445696

約数和(自身を除く): 23471371

約数列:

[1, 5, 25, 31, 155, 163, 641, 775, 815, 3205, 4075, 5053, 16025, 19871, 25265, 99355, 104483, 126325, 496775, 522415, 2612075, 3238973, 16194865, 80974325]

約数ペア:

[(1, 80974325), (5, 16194865), (25, 3238973), (31, 2612075), (155, 522415), (163, 496775), (641, 126325), (775, 104483), (815, 99355), (3205, 25265), (4075, 19871), (5053, 16025)]