31390720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{6131}}^1$

素因数の和:6156

約数の個数: 44

約数和(自身を含む): 75313224

約数和(自身を除く): 43922504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 6131, 12262, 24524, 30655, 49048, 61310, 98096, 122620, 196192, 245240, 392384, 490480, 784768, 980960, 1569536, 1961920, 3139072, 3923840, 6278144, 7847680, 15695360, 31390720]

約数ペア:

[(1, 31390720), (2, 15695360), (4, 7847680), (5, 6278144), (8, 3923840), (10, 3139072), (16, 1961920), (20, 1569536), (32, 980960), (40, 784768), (64, 490480), (80, 392384), (128, 245240), (160, 196192), (256, 122620), (320, 98096), (512, 61310), (640, 49048), (1024, 30655), (1280, 24524), (2560, 12262), (5120, 6131)]