78004975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1693}}^1$

素因数の和:1819

約数の個数: 24

約数和(自身を含む): 102927440

約数和(自身を除く): 24922465

約数列:

[1, 5, 19, 25, 95, 97, 475, 485, 1693, 1843, 2425, 8465, 9215, 32167, 42325, 46075, 160835, 164221, 804175, 821105, 3120199, 4105525, 15600995, 78004975]

約数ペア:

[(1, 78004975), (5, 15600995), (19, 4105525), (25, 3120199), (95, 821105), (97, 804175), (475, 164221), (485, 160835), (1693, 46075), (1843, 42325), (2425, 32167), (8465, 9215)]