2255360

素因数分解:

$2^9\times 5^1\times {\mathrm{881}}^1$

素因数の和:904

約数の個数: 40

約数和(自身を含む): 5413716

約数和(自身を除く): 3158356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 881, 1280, 1762, 2560, 3524, 4405, 7048, 8810, 14096, 17620, 28192, 35240, 56384, 70480, 112768, 140960, 225536, 281920, 451072, 563840, 1127680, 2255360]

約数ペア:

[(1, 2255360), (2, 1127680), (4, 563840), (5, 451072), (8, 281920), (10, 225536), (16, 140960), (20, 112768), (32, 70480), (40, 56384), (64, 35240), (80, 28192), (128, 17620), (160, 14096), (256, 8810), (320, 7048), (512, 4405), (640, 3524), (881, 2560), (1280, 1762)]