15252280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3931}}^1$

素因数の和:4039

約数の個数: 32

約数和(自身を含む): 34680240

約数和(自身を除く): 19427960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 3931, 7862, 15724, 19655, 31448, 39310, 78620, 157240, 381307, 762614, 1525228, 1906535, 3050456, 3813070, 7626140, 15252280]

約数ペア:

[(1, 15252280), (2, 7626140), (4, 3813070), (5, 3050456), (8, 1906535), (10, 1525228), (20, 762614), (40, 381307), (97, 157240), (194, 78620), (388, 39310), (485, 31448), (776, 19655), (970, 15724), (1940, 7862), (3880, 3931)]