25429040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:539

約数の個数: 120

約数和(自身を含む): 74214000

約数和(自身を除く): 48784960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 499, 520, 560, 637, 728, 784, 910, 980, 998, 1040, 1274, 1456, 1820, 1960, 1996, 2495, 2548, 3185, 3493, 3640, 3920, 3992, 4990, 5096, 6370, 6487, 6986, 7280, 7984, 9980, 10192, 12740, 12974, 13972, 17465, 19960, 24451, 25480, 25948, 27944, 32435, 34930, 39920, 45409, 48902, 50960, 51896, 55888, 64870, 69860, 90818, 97804, 103792, 122255, 129740, 139720, 181636, 195608, 227045, 244510, 259480, 279440, 317863, 363272, 391216, 454090, 489020, 518960, 635726, 726544, 908180, 978040, 1271452, 1589315, 1816360, 1956080, 2542904, 3178630, 3632720, 5085808, 6357260, 12714520, 25429040]

約数ペア:

[(1, 25429040), (2, 12714520), (4, 6357260), (5, 5085808), (7, 3632720), (8, 3178630), (10, 2542904), (13, 1956080), (14, 1816360), (16, 1589315), (20, 1271452), (26, 978040), (28, 908180), (35, 726544), (40, 635726), (49, 518960), (52, 489020), (56, 454090), (65, 391216), (70, 363272), (80, 317863), (91, 279440), (98, 259480), (104, 244510), (112, 227045), (130, 195608), (140, 181636), (182, 139720), (196, 129740), (208, 122255), (245, 103792), (260, 97804), (280, 90818), (364, 69860), (392, 64870), (455, 55888), (490, 51896), (499, 50960), (520, 48902), (560, 45409), (637, 39920), (728, 34930), (784, 32435), (910, 27944), (980, 25948), (998, 25480), (1040, 24451), (1274, 19960), (1456, 17465), (1820, 13972), (1960, 12974), (1996, 12740), (2495, 10192), (2548, 9980), (3185, 7984), (3493, 7280), (3640, 6986), (3920, 6487), (3992, 6370), (4990, 5096)]