25033120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 144

約数和(自身を含む): 71705088

約数和(自身を除く): 46671968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 103, 112, 124, 140, 155, 160, 196, 206, 217, 224, 245, 248, 280, 310, 392, 412, 434, 490, 496, 515, 560, 620, 721, 784, 824, 868, 980, 992, 1030, 1085, 1120, 1240, 1442, 1519, 1568, 1648, 1736, 1960, 2060, 2170, 2480, 2884, 3038, 3193, 3296, 3472, 3605, 3920, 4120, 4340, 4960, 5047, 5768, 6076, 6386, 6944, 7210, 7595, 7840, 8240, 8680, 10094, 11536, 12152, 12772, 14420, 15190, 15965, 16480, 17360, 20188, 22351, 23072, 24304, 25235, 25544, 28840, 30380, 31930, 34720, 40376, 44702, 48608, 50470, 51088, 57680, 60760, 63860, 80752, 89404, 100940, 102176, 111755, 115360, 121520, 127720, 156457, 161504, 178808, 201880, 223510, 243040, 255440, 312914, 357616, 403760, 447020, 510880, 625828, 715232, 782285, 807520, 894040, 1251656, 1564570, 1788080, 2503312, 3129140, 3576160, 5006624, 6258280, 12516560, 25033120]

約数ペア:

[(1, 25033120), (2, 12516560), (4, 6258280), (5, 5006624), (7, 3576160), (8, 3129140), (10, 2503312), (14, 1788080), (16, 1564570), (20, 1251656), (28, 894040), (31, 807520), (32, 782285), (35, 715232), (40, 625828), (49, 510880), (56, 447020), (62, 403760), (70, 357616), (80, 312914), (98, 255440), (103, 243040), (112, 223510), (124, 201880), (140, 178808), (155, 161504), (160, 156457), (196, 127720), (206, 121520), (217, 115360), (224, 111755), (245, 102176), (248, 100940), (280, 89404), (310, 80752), (392, 63860), (412, 60760), (434, 57680), (490, 51088), (496, 50470), (515, 48608), (560, 44702), (620, 40376), (721, 34720), (784, 31930), (824, 30380), (868, 28840), (980, 25544), (992, 25235), (1030, 24304), (1085, 23072), (1120, 22351), (1240, 20188), (1442, 17360), (1519, 16480), (1568, 15965), (1648, 15190), (1736, 14420), (1960, 12772), (2060, 12152), (2170, 11536), (2480, 10094), (2884, 8680), (3038, 8240), (3193, 7840), (3296, 7595), (3472, 7210), (3605, 6944), (3920, 6386), (4120, 6076), (4340, 5768), (4960, 5047)]