25219460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{499}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 64008000

約数和(自身を除く): 38788540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 499, 532, 665, 722, 998, 1330, 1444, 1805, 1996, 2495, 2527, 2660, 3493, 3610, 4990, 5054, 6986, 7220, 9481, 9980, 10108, 12635, 13972, 17465, 18962, 25270, 34930, 37924, 47405, 50540, 66367, 69860, 94810, 132734, 180139, 189620, 265468, 331835, 360278, 663670, 720556, 900695, 1260973, 1327340, 1801390, 2521946, 3602780, 5043892, 6304865, 12609730, 25219460]

約数ペア:

[(1, 25219460), (2, 12609730), (4, 6304865), (5, 5043892), (7, 3602780), (10, 2521946), (14, 1801390), (19, 1327340), (20, 1260973), (28, 900695), (35, 720556), (38, 663670), (70, 360278), (76, 331835), (95, 265468), (133, 189620), (140, 180139), (190, 132734), (266, 94810), (361, 69860), (380, 66367), (499, 50540), (532, 47405), (665, 37924), (722, 34930), (998, 25270), (1330, 18962), (1444, 17465), (1805, 13972), (1996, 12635), (2495, 10108), (2527, 9980), (2660, 9481), (3493, 7220), (3610, 6986), (4990, 5054)]