65004020

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{10253}}^1$

素因数の和:10579

約数の個数: 24

約数和(自身を含む): 136952424

約数和(自身を除く): 71948404

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 10253, 20506, 41012, 51265, 102530, 205060, 3250201, 6500402, 13000804, 16251005, 32502010, 65004020]

約数ペア:

[(1, 65004020), (2, 32502010), (4, 16251005), (5, 13000804), (10, 6500402), (20, 3250201), (317, 205060), (634, 102530), (1268, 51265), (1585, 41012), (3170, 20506), (6340, 10253)]