25804660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 66528000

約数和(自身を除く): 40723340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 89, 95, 109, 133, 140, 178, 190, 218, 266, 356, 380, 436, 445, 532, 545, 623, 665, 763, 890, 1090, 1246, 1330, 1526, 1691, 1780, 2071, 2180, 2492, 2660, 3052, 3115, 3382, 3815, 4142, 6230, 6764, 7630, 8284, 8455, 9701, 10355, 11837, 12460, 14497, 15260, 16910, 19402, 20710, 23674, 28994, 33820, 38804, 41420, 47348, 48505, 57988, 59185, 67907, 72485, 97010, 118370, 135814, 144970, 184319, 194020, 236740, 271628, 289940, 339535, 368638, 679070, 737276, 921595, 1290233, 1358140, 1843190, 2580466, 3686380, 5160932, 6451165, 12902330, 25804660]

約数ペア:

[(1, 25804660), (2, 12902330), (4, 6451165), (5, 5160932), (7, 3686380), (10, 2580466), (14, 1843190), (19, 1358140), (20, 1290233), (28, 921595), (35, 737276), (38, 679070), (70, 368638), (76, 339535), (89, 289940), (95, 271628), (109, 236740), (133, 194020), (140, 184319), (178, 144970), (190, 135814), (218, 118370), (266, 97010), (356, 72485), (380, 67907), (436, 59185), (445, 57988), (532, 48505), (545, 47348), (623, 41420), (665, 38804), (763, 33820), (890, 28994), (1090, 23674), (1246, 20710), (1330, 19402), (1526, 16910), (1691, 15260), (1780, 14497), (2071, 12460), (2180, 11837), (2492, 10355), (2660, 9701), (3052, 8455), (3115, 8284), (3382, 7630), (3815, 6764), (4142, 6230)]