25441360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 68245632

約数和(自身を除く): 42804272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 181, 251, 280, 362, 502, 560, 724, 905, 1004, 1255, 1267, 1448, 1757, 1810, 2008, 2510, 2534, 2896, 3514, 3620, 4016, 5020, 5068, 6335, 7028, 7240, 8785, 10040, 10136, 12670, 14056, 14480, 17570, 20080, 20272, 25340, 28112, 35140, 45431, 50680, 70280, 90862, 101360, 140560, 181724, 227155, 318017, 363448, 454310, 636034, 726896, 908620, 1272068, 1590085, 1817240, 2544136, 3180170, 3634480, 5088272, 6360340, 12720680, 25441360]

約数ペア:

[(1, 25441360), (2, 12720680), (4, 6360340), (5, 5088272), (7, 3634480), (8, 3180170), (10, 2544136), (14, 1817240), (16, 1590085), (20, 1272068), (28, 908620), (35, 726896), (40, 636034), (56, 454310), (70, 363448), (80, 318017), (112, 227155), (140, 181724), (181, 140560), (251, 101360), (280, 90862), (362, 70280), (502, 50680), (560, 45431), (724, 35140), (905, 28112), (1004, 25340), (1255, 20272), (1267, 20080), (1448, 17570), (1757, 14480), (1810, 14056), (2008, 12670), (2510, 10136), (2534, 10040), (2896, 8785), (3514, 7240), (3620, 7028), (4016, 6335), (5020, 5068)]