25369600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{991}}^1$

素因数の和:1021

約数の個数: 66

約数和(自身を含む): 62949344

約数和(自身を除く): 37579744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 991, 1024, 1280, 1600, 1982, 2560, 3200, 3964, 4955, 5120, 6400, 7928, 9910, 12800, 15856, 19820, 24775, 25600, 31712, 39640, 49550, 63424, 79280, 99100, 126848, 158560, 198200, 253696, 317120, 396400, 507392, 634240, 792800, 1014784, 1268480, 1585600, 2536960, 3171200, 5073920, 6342400, 12684800, 25369600]

約数ペア:

[(1, 25369600), (2, 12684800), (4, 6342400), (5, 5073920), (8, 3171200), (10, 2536960), (16, 1585600), (20, 1268480), (25, 1014784), (32, 792800), (40, 634240), (50, 507392), (64, 396400), (80, 317120), (100, 253696), (128, 198200), (160, 158560), (200, 126848), (256, 99100), (320, 79280), (400, 63424), (512, 49550), (640, 39640), (800, 31712), (991, 25600), (1024, 24775), (1280, 19820), (1600, 15856), (1982, 12800), (2560, 9910), (3200, 7928), (3964, 6400), (4955, 5120)]