25427840

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{593}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 61799760

約数和(自身を除く): 36371920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 593, 640, 670, 1072, 1186, 1340, 2144, 2372, 2680, 2965, 4288, 4744, 5360, 5930, 8576, 9488, 10720, 11860, 18976, 21440, 23720, 37952, 39731, 42880, 47440, 75904, 79462, 94880, 158924, 189760, 198655, 317848, 379520, 397310, 635696, 794620, 1271392, 1589240, 2542784, 3178480, 5085568, 6356960, 12713920, 25427840]

約数ペア:

[(1, 25427840), (2, 12713920), (4, 6356960), (5, 5085568), (8, 3178480), (10, 2542784), (16, 1589240), (20, 1271392), (32, 794620), (40, 635696), (64, 397310), (67, 379520), (80, 317848), (128, 198655), (134, 189760), (160, 158924), (268, 94880), (320, 79462), (335, 75904), (536, 47440), (593, 42880), (640, 39731), (670, 37952), (1072, 23720), (1186, 21440), (1340, 18976), (2144, 11860), (2372, 10720), (2680, 9488), (2965, 8576), (4288, 5930), (4744, 5360)]