25730520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12613}}^1$

素因数の和:12644

約数の個数: 64

約数和(自身を含む): 81738720

約数和(自身を除く): 56008200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 12613, 25226, 37839, 50452, 63065, 75678, 100904, 126130, 151356, 189195, 214421, 252260, 302712, 378390, 428842, 504520, 643263, 756780, 857684, 1072105, 1286526, 1513560, 1715368, 2144210, 2573052, 3216315, 4288420, 5146104, 6432630, 8576840, 12865260, 25730520]

約数ペア:

[(1, 25730520), (2, 12865260), (3, 8576840), (4, 6432630), (5, 5146104), (6, 4288420), (8, 3216315), (10, 2573052), (12, 2144210), (15, 1715368), (17, 1513560), (20, 1286526), (24, 1072105), (30, 857684), (34, 756780), (40, 643263), (51, 504520), (60, 428842), (68, 378390), (85, 302712), (102, 252260), (120, 214421), (136, 189195), (170, 151356), (204, 126130), (255, 100904), (340, 75678), (408, 63065), (510, 50452), (680, 37839), (1020, 25226), (2040, 12613)]