1330519040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{259867}}^1$

素因数の和:259892

約数の個数: 44

約数和(自身を含む): 3191698776

約数和(自身を除く): 1861179736

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, 259867, 519734, 1039468, 1299335, 2078936, 2598670, 4157872, 5197340, 8315744, 10394680, 16631488, 20789360, 33262976, 41578720, 66525952, 83157440, 133051904, 166314880, 266103808, 332629760, 665259520, 1330519040]

約数ペア:

[(1, 1330519040), (2, 665259520), (4, 332629760), (5, 266103808), (8, 166314880), (10, 133051904), (16, 83157440), (20, 66525952), (32, 41578720), (40, 33262976), (64, 20789360), (80, 16631488), (128, 10394680), (160, 8315744), (256, 5197340), (320, 4157872), (512, 2598670), (640, 2078936), (1024, 1299335), (1280, 1039468), (2560, 519734), (5120, 259867)]