18027520

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{503}}^1$

素因数の和:535

約数の個数: 88

約数和(自身を含む): 49521024

約数和(自身を除く): 31493504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 503, 512, 560, 640, 896, 1006, 1024, 1120, 1280, 1792, 2012, 2240, 2515, 2560, 3521, 3584, 4024, 4480, 5030, 5120, 7042, 7168, 8048, 8960, 10060, 14084, 16096, 17605, 17920, 20120, 28168, 32192, 35210, 35840, 40240, 56336, 64384, 70420, 80480, 112672, 128768, 140840, 160960, 225344, 257536, 281680, 321920, 450688, 515072, 563360, 643840, 901376, 1126720, 1287680, 1802752, 2253440, 2575360, 3605504, 4506880, 9013760, 18027520]

約数ペア:

[(1, 18027520), (2, 9013760), (4, 4506880), (5, 3605504), (7, 2575360), (8, 2253440), (10, 1802752), (14, 1287680), (16, 1126720), (20, 901376), (28, 643840), (32, 563360), (35, 515072), (40, 450688), (56, 321920), (64, 281680), (70, 257536), (80, 225344), (112, 160960), (128, 140840), (140, 128768), (160, 112672), (224, 80480), (256, 70420), (280, 64384), (320, 56336), (448, 40240), (503, 35840), (512, 35210), (560, 32192), (640, 28168), (896, 20120), (1006, 17920), (1024, 17605), (1120, 16096), (1280, 14084), (1792, 10060), (2012, 8960), (2240, 8048), (2515, 7168), (2560, 7042), (3521, 5120), (3584, 5030), (4024, 4480)]