25936640

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:925

約数の個数: 72

約数和(自身を含む): 64901088

約数和(自身を除く): 38964448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 881, 920, 1280, 1472, 1762, 1840, 2944, 3524, 3680, 4405, 5888, 7048, 7360, 8810, 14096, 14720, 17620, 20263, 28192, 29440, 35240, 40526, 56384, 70480, 81052, 101315, 112768, 140960, 162104, 202630, 225536, 281920, 324208, 405260, 563840, 648416, 810520, 1127680, 1296832, 1621040, 2593664, 3242080, 5187328, 6484160, 12968320, 25936640]

約数ペア:

[(1, 25936640), (2, 12968320), (4, 6484160), (5, 5187328), (8, 3242080), (10, 2593664), (16, 1621040), (20, 1296832), (23, 1127680), (32, 810520), (40, 648416), (46, 563840), (64, 405260), (80, 324208), (92, 281920), (115, 225536), (128, 202630), (160, 162104), (184, 140960), (230, 112768), (256, 101315), (320, 81052), (368, 70480), (460, 56384), (640, 40526), (736, 35240), (881, 29440), (920, 28192), (1280, 20263), (1472, 17620), (1762, 14720), (1840, 14096), (2944, 8810), (3524, 7360), (3680, 7048), (4405, 5888)]