2617400320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{511211}}^1$

素因数の和:511236

約数の個数: 44

約数和(自身を含む): 6278705784

約数和(自身を除く): 3661305464

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, 511211, 1022422, 2044844, 2556055, 4089688, 5112110, 8179376, 10224220, 16358752, 20448440, 32717504, 40896880, 65435008, 81793760, 130870016, 163587520, 261740032, 327175040, 523480064, 654350080, 1308700160, 2617400320]

約数ペア:

[(1, 2617400320), (2, 1308700160), (4, 654350080), (5, 523480064), (8, 327175040), (10, 261740032), (16, 163587520), (20, 130870016), (32, 81793760), (40, 65435008), (64, 40896880), (80, 32717504), (128, 20448440), (160, 16358752), (256, 10224220), (320, 8179376), (512, 5112110), (640, 4089688), (1024, 2556055), (1280, 2044844), (2560, 1022422), (5120, 511211)]