1775390720

素因数分解:

$2^{12}\times 5^1\times {\mathrm{86689}}^1$

素因数の和:86718

約数の個数: 52

約数和(自身を含む): 4260466740

約数和(自身を除く): 2485076020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 10240, 20480, 86689, 173378, 346756, 433445, 693512, 866890, 1387024, 1733780, 2774048, 3467560, 5548096, 6935120, 11096192, 13870240, 22192384, 27740480, 44384768, 55480960, 88769536, 110961920, 177539072, 221923840, 355078144, 443847680, 887695360, 1775390720]

約数ペア:

[(1, 1775390720), (2, 887695360), (4, 443847680), (5, 355078144), (8, 221923840), (10, 177539072), (16, 110961920), (20, 88769536), (32, 55480960), (40, 44384768), (64, 27740480), (80, 22192384), (128, 13870240), (160, 11096192), (256, 6935120), (320, 5548096), (512, 3467560), (640, 2774048), (1024, 1733780), (1280, 1387024), (2048, 866890), (2560, 693512), (4096, 433445), (5120, 346756), (10240, 173378), (20480, 86689)]