221923840

素因数分解:

$2^9\times 5^1\times {\mathrm{86689}}^1$

素因数の和:86712

約数の個数: 40

約数和(自身を含む): 532103220

約数和(自身を除く): 310179380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 86689, 173378, 346756, 433445, 693512, 866890, 1387024, 1733780, 2774048, 3467560, 5548096, 6935120, 11096192, 13870240, 22192384, 27740480, 44384768, 55480960, 110961920, 221923840]

約数ペア:

[(1, 221923840), (2, 110961920), (4, 55480960), (5, 44384768), (8, 27740480), (10, 22192384), (16, 13870240), (20, 11096192), (32, 6935120), (40, 5548096), (64, 3467560), (80, 2774048), (128, 1733780), (160, 1387024), (256, 866890), (320, 693512), (512, 433445), (640, 346756), (1280, 173378), (2560, 86689)]