201852920

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{15919}}^1$

素因数の和:16247

約数の個数: 32

約数和(自身を含む): 455630400

約数和(自身を除く): 253777480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 15919, 31838, 63676, 79595, 127352, 159190, 318380, 636760, 5046323, 10092646, 20185292, 25231615, 40370584, 50463230, 100926460, 201852920]

約数ペア:

[(1, 201852920), (2, 100926460), (4, 50463230), (5, 40370584), (8, 25231615), (10, 20185292), (20, 10092646), (40, 5046323), (317, 636760), (634, 318380), (1268, 159190), (1585, 127352), (2536, 79595), (3170, 63676), (6340, 31838), (12680, 15919)]