31498240

素因数分解:

$2^{13}\times 5^1\times {\mathrm{769}}^1$

素因数の和:800

約数の個数: 56

約数和(自身を含む): 75689460

約数和(自身を除く): 44191220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 769, 1024, 1280, 1538, 2048, 2560, 3076, 3845, 4096, 5120, 6152, 7690, 8192, 10240, 12304, 15380, 20480, 24608, 30760, 40960, 49216, 61520, 98432, 123040, 196864, 246080, 393728, 492160, 787456, 984320, 1574912, 1968640, 3149824, 3937280, 6299648, 7874560, 15749120, 31498240]

約数ペア:

[(1, 31498240), (2, 15749120), (4, 7874560), (5, 6299648), (8, 3937280), (10, 3149824), (16, 1968640), (20, 1574912), (32, 984320), (40, 787456), (64, 492160), (80, 393728), (128, 246080), (160, 196864), (256, 123040), (320, 98432), (512, 61520), (640, 49216), (769, 40960), (1024, 30760), (1280, 24608), (1538, 20480), (2048, 15380), (2560, 12304), (3076, 10240), (3845, 8192), (4096, 7690), (5120, 6152)]