25915120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{601}}^1$

素因数の和:639

約数の個数: 120

約数和(自身を含む): 76588848

約数和(自身を除く): 50673728

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 601, 616, 770, 784, 880, 980, 1078, 1202, 1232, 1540, 1960, 2156, 2404, 2695, 3005, 3080, 3920, 4207, 4312, 4808, 5390, 6010, 6160, 6611, 8414, 8624, 9616, 10780, 12020, 13222, 16828, 21035, 21560, 24040, 26444, 29449, 33055, 33656, 42070, 43120, 46277, 48080, 52888, 58898, 66110, 67312, 84140, 92554, 105776, 117796, 132220, 147245, 168280, 185108, 231385, 235592, 264440, 294490, 323939, 336560, 370216, 462770, 471184, 528880, 588980, 647878, 740432, 925540, 1177960, 1295756, 1619695, 1851080, 2355920, 2591512, 3239390, 3702160, 5183024, 6478780, 12957560, 25915120]

約数ペア:

[(1, 25915120), (2, 12957560), (4, 6478780), (5, 5183024), (7, 3702160), (8, 3239390), (10, 2591512), (11, 2355920), (14, 1851080), (16, 1619695), (20, 1295756), (22, 1177960), (28, 925540), (35, 740432), (40, 647878), (44, 588980), (49, 528880), (55, 471184), (56, 462770), (70, 370216), (77, 336560), (80, 323939), (88, 294490), (98, 264440), (110, 235592), (112, 231385), (140, 185108), (154, 168280), (176, 147245), (196, 132220), (220, 117796), (245, 105776), (280, 92554), (308, 84140), (385, 67312), (392, 66110), (440, 58898), (490, 52888), (539, 48080), (560, 46277), (601, 43120), (616, 42070), (770, 33656), (784, 33055), (880, 29449), (980, 26444), (1078, 24040), (1202, 21560), (1232, 21035), (1540, 16828), (1960, 13222), (2156, 12020), (2404, 10780), (2695, 9616), (3005, 8624), (3080, 8414), (3920, 6611), (4207, 6160), (4312, 6010), (4808, 5390)]