161966080

素因数分解:

$2^{11}\times 5^1\times {\mathrm{15817}}^1$

素因数の和:15844

約数の個数: 48

約数和(自身を含む): 388648260

約数和(自身を除く): 226682180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 15817, 31634, 63268, 79085, 126536, 158170, 253072, 316340, 506144, 632680, 1012288, 1265360, 2024576, 2530720, 4049152, 5061440, 8098304, 10122880, 16196608, 20245760, 32393216, 40491520, 80983040, 161966080]

約数ペア:

[(1, 161966080), (2, 80983040), (4, 40491520), (5, 32393216), (8, 20245760), (10, 16196608), (16, 10122880), (20, 8098304), (32, 5061440), (40, 4049152), (64, 2530720), (80, 2024576), (128, 1265360), (160, 1012288), (256, 632680), (320, 506144), (512, 316340), (640, 253072), (1024, 158170), (1280, 126536), (2048, 79085), (2560, 63268), (5120, 31634), (10240, 15817)]