42705920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:483

約数の個数: 88

約数和(自身を含む): 108081600

約数和(自身を除く): 65375680

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, 380, 439, 512, 608, 640, 760, 878, 1024, 1216, 1280, 1520, 1756, 2195, 2432, 2560, 3040, 3512, 4390, 4864, 5120, 6080, 7024, 8341, 8780, 9728, 12160, 14048, 16682, 17560, 19456, 24320, 28096, 33364, 35120, 41705, 48640, 56192, 66728, 70240, 83410, 97280, 112384, 133456, 140480, 166820, 224768, 266912, 280960, 333640, 449536, 533824, 561920, 667280, 1067648, 1123840, 1334560, 2135296, 2247680, 2669120, 4270592, 5338240, 8541184, 10676480, 21352960, 42705920]

約数ペア:

[(1, 42705920), (2, 21352960), (4, 10676480), (5, 8541184), (8, 5338240), (10, 4270592), (16, 2669120), (19, 2247680), (20, 2135296), (32, 1334560), (38, 1123840), (40, 1067648), (64, 667280), (76, 561920), (80, 533824), (95, 449536), (128, 333640), (152, 280960), (160, 266912), (190, 224768), (256, 166820), (304, 140480), (320, 133456), (380, 112384), (439, 97280), (512, 83410), (608, 70240), (640, 66728), (760, 56192), (878, 48640), (1024, 41705), (1216, 35120), (1280, 33364), (1520, 28096), (1756, 24320), (2195, 19456), (2432, 17560), (2560, 16682), (3040, 14048), (3512, 12160), (4390, 9728), (4864, 8780), (5120, 8341), (6080, 7024)]