25470260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 56965440

約数和(自身を除く): 31495180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 691, 970, 1382, 1843, 1940, 2764, 3455, 3686, 6910, 7372, 9215, 13129, 13820, 18430, 26258, 36860, 52516, 65645, 67027, 131290, 134054, 262580, 268108, 335135, 670270, 1273513, 1340540, 2547026, 5094052, 6367565, 12735130, 25470260]

約数ペア:

[(1, 25470260), (2, 12735130), (4, 6367565), (5, 5094052), (10, 2547026), (19, 1340540), (20, 1273513), (38, 670270), (76, 335135), (95, 268108), (97, 262580), (190, 134054), (194, 131290), (380, 67027), (388, 65645), (485, 52516), (691, 36860), (970, 26258), (1382, 18430), (1843, 13820), (1940, 13129), (2764, 9215), (3455, 7372), (3686, 6910)]