15560525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 22498560

約数和(自身を除く): 6938035

約数列:

[1, 5, 17, 19, 25, 41, 47, 85, 95, 205, 235, 323, 425, 475, 697, 779, 799, 893, 1025, 1175, 1615, 1927, 3485, 3895, 3995, 4465, 8075, 9635, 13243, 15181, 17425, 19475, 19975, 22325, 32759, 36613, 48175, 66215, 75905, 163795, 183065, 331075, 379525, 622421, 818975, 915325, 3112105, 15560525]

約数ペア:

[(1, 15560525), (5, 3112105), (17, 915325), (19, 818975), (25, 622421), (41, 379525), (47, 331075), (85, 183065), (95, 163795), (205, 75905), (235, 66215), (323, 48175), (425, 36613), (475, 32759), (697, 22325), (779, 19975), (799, 19475), (893, 17425), (1025, 15181), (1175, 13243), (1615, 9635), (1927, 8075), (3485, 4465), (3895, 3995)]