8487680

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 21462000

約数和(自身を除く): 12974320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 349, 380, 608, 640, 698, 760, 1216, 1280, 1396, 1520, 1745, 2432, 2792, 3040, 3490, 4864, 5584, 6080, 6631, 6980, 11168, 12160, 13262, 13960, 22336, 24320, 26524, 27920, 33155, 44672, 53048, 55840, 66310, 89344, 106096, 111680, 132620, 212192, 223360, 265240, 424384, 446720, 530480, 848768, 1060960, 1697536, 2121920, 4243840, 8487680]

約数ペア:

[(1, 8487680), (2, 4243840), (4, 2121920), (5, 1697536), (8, 1060960), (10, 848768), (16, 530480), (19, 446720), (20, 424384), (32, 265240), (38, 223360), (40, 212192), (64, 132620), (76, 111680), (80, 106096), (95, 89344), (128, 66310), (152, 55840), (160, 53048), (190, 44672), (256, 33155), (304, 27920), (320, 26524), (349, 24320), (380, 22336), (608, 13960), (640, 13262), (698, 12160), (760, 11168), (1216, 6980), (1280, 6631), (1396, 6080), (1520, 5584), (1745, 4864), (2432, 3490), (2792, 3040)]