25251380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:909

約数の個数: 96

約数和(自身を含む): 69672960

約数和(自身を除く): 44421580

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 665, 770, 836, 863, 1045, 1330, 1463, 1540, 1726, 2090, 2660, 2926, 3452, 4180, 4315, 5852, 6041, 7315, 8630, 9493, 12082, 14630, 16397, 17260, 18986, 24164, 29260, 30205, 32794, 37972, 47465, 60410, 65588, 66451, 81985, 94930, 114779, 120820, 132902, 163970, 180367, 189860, 229558, 265804, 327940, 332255, 360734, 459116, 573895, 664510, 721468, 901835, 1147790, 1262569, 1329020, 1803670, 2295580, 2525138, 3607340, 5050276, 6312845, 12625690, 25251380]

約数ペア:

[(1, 25251380), (2, 12625690), (4, 6312845), (5, 5050276), (7, 3607340), (10, 2525138), (11, 2295580), (14, 1803670), (19, 1329020), (20, 1262569), (22, 1147790), (28, 901835), (35, 721468), (38, 664510), (44, 573895), (55, 459116), (70, 360734), (76, 332255), (77, 327940), (95, 265804), (110, 229558), (133, 189860), (140, 180367), (154, 163970), (190, 132902), (209, 120820), (220, 114779), (266, 94930), (308, 81985), (380, 66451), (385, 65588), (418, 60410), (532, 47465), (665, 37972), (770, 32794), (836, 30205), (863, 29260), (1045, 24164), (1330, 18986), (1463, 17260), (1540, 16397), (1726, 14630), (2090, 12082), (2660, 9493), (2926, 8630), (3452, 7315), (4180, 6041), (4315, 5852)]