25556480

素因数分解:

$2^9\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 80

約数和(自身を含む): 62607600

約数和(自身を除く): 37051120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 149, 160, 256, 268, 298, 320, 335, 512, 536, 596, 640, 670, 745, 1072, 1192, 1280, 1340, 1490, 2144, 2384, 2560, 2680, 2980, 4288, 4768, 5360, 5960, 8576, 9536, 9983, 10720, 11920, 17152, 19072, 19966, 21440, 23840, 34304, 38144, 39932, 42880, 47680, 49915, 76288, 79864, 85760, 95360, 99830, 159728, 171520, 190720, 199660, 319456, 381440, 399320, 638912, 798640, 1277824, 1597280, 2555648, 3194560, 5111296, 6389120, 12778240, 25556480]

約数ペア:

[(1, 25556480), (2, 12778240), (4, 6389120), (5, 5111296), (8, 3194560), (10, 2555648), (16, 1597280), (20, 1277824), (32, 798640), (40, 638912), (64, 399320), (67, 381440), (80, 319456), (128, 199660), (134, 190720), (149, 171520), (160, 159728), (256, 99830), (268, 95360), (298, 85760), (320, 79864), (335, 76288), (512, 49915), (536, 47680), (596, 42880), (640, 39932), (670, 38144), (745, 34304), (1072, 23840), (1192, 21440), (1280, 19966), (1340, 19072), (1490, 17152), (2144, 11920), (2384, 10720), (2560, 9983), (2680, 9536), (2980, 8576), (4288, 5960), (4768, 5360)]