25105120

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 62868960

約数和(自身を除く): 37763840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 43, 80, 82, 86, 89, 160, 164, 172, 178, 205, 215, 328, 344, 356, 410, 430, 445, 656, 688, 712, 820, 860, 890, 1312, 1376, 1424, 1640, 1720, 1763, 1780, 2848, 3280, 3440, 3526, 3560, 3649, 3827, 6560, 6880, 7052, 7120, 7298, 7654, 8815, 14104, 14240, 14596, 15308, 17630, 18245, 19135, 28208, 29192, 30616, 35260, 36490, 38270, 56416, 58384, 61232, 70520, 72980, 76540, 116768, 122464, 141040, 145960, 153080, 156907, 282080, 291920, 306160, 313814, 583840, 612320, 627628, 784535, 1255256, 1569070, 2510512, 3138140, 5021024, 6276280, 12552560, 25105120]

約数ペア:

[(1, 25105120), (2, 12552560), (4, 6276280), (5, 5021024), (8, 3138140), (10, 2510512), (16, 1569070), (20, 1255256), (32, 784535), (40, 627628), (41, 612320), (43, 583840), (80, 313814), (82, 306160), (86, 291920), (89, 282080), (160, 156907), (164, 153080), (172, 145960), (178, 141040), (205, 122464), (215, 116768), (328, 76540), (344, 72980), (356, 70520), (410, 61232), (430, 58384), (445, 56416), (656, 38270), (688, 36490), (712, 35260), (820, 30616), (860, 29192), (890, 28208), (1312, 19135), (1376, 18245), (1424, 17630), (1640, 15308), (1720, 14596), (1763, 14240), (1780, 14104), (2848, 8815), (3280, 7654), (3440, 7298), (3526, 7120), (3560, 7052), (3649, 6880), (3827, 6560)]