69809920

素因数分解:

$2^8\times 5^1\times {\mathrm{54539}}^1$

素因数の和:54560

約数の個数: 36

約数和(自身を含む): 167219640

約数和(自身を除く): 97409720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 54539, 109078, 218156, 272695, 436312, 545390, 872624, 1090780, 1745248, 2181560, 3490496, 4363120, 6980992, 8726240, 13961984, 17452480, 34904960, 69809920]

約数ペア:

[(1, 69809920), (2, 34904960), (4, 17452480), (5, 13961984), (8, 8726240), (10, 6980992), (16, 4363120), (20, 3490496), (32, 2181560), (40, 1745248), (64, 1090780), (80, 872624), (128, 545390), (160, 436312), (256, 272695), (320, 218156), (640, 109078), (1280, 54539)]