25207249340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1978591}}^1$

素因数の和:1978627

約数の個数: 72

約数和(自身を含む): 66314489472

約数和(自身を除く): 41107240132

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 1978591, 3957182, 7914364, 9892955, 13850137, 19785910, 25721683, 27700274, 39571820, 51443366, 55400548, 69250685, 96950959, 102886732, 128608415, 138501370, 180051781, 193901918, 257216830, 277002740, 360103562, 387803836, 484754795, 514433660, 720207124, 900258905, 969509590, 1260362467, 1800517810, 1939019180, 2520724934, 3601035620, 5041449868, 6301812335, 12603624670, 25207249340]

約数ペア:

[(1, 25207249340), (2, 12603624670), (4, 6301812335), (5, 5041449868), (7, 3601035620), (10, 2520724934), (13, 1939019180), (14, 1800517810), (20, 1260362467), (26, 969509590), (28, 900258905), (35, 720207124), (49, 514433660), (52, 484754795), (65, 387803836), (70, 360103562), (91, 277002740), (98, 257216830), (130, 193901918), (140, 180051781), (182, 138501370), (196, 128608415), (245, 102886732), (260, 96950959), (364, 69250685), (455, 55400548), (490, 51443366), (637, 39571820), (910, 27700274), (980, 25721683), (1274, 19785910), (1820, 13850137), (2548, 9892955), (3185, 7914364), (6370, 3957182), (12740, 1978591)]