1621040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:917

約数の個数: 40

約数和(自身を含む): 3937248

約数和(自身を除く): 2316208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 881, 920, 1762, 1840, 3524, 4405, 7048, 8810, 14096, 17620, 20263, 35240, 40526, 70480, 81052, 101315, 162104, 202630, 324208, 405260, 810520, 1621040]

約数ペア:

[(1, 1621040), (2, 810520), (4, 405260), (5, 324208), (8, 202630), (10, 162104), (16, 101315), (20, 81052), (23, 70480), (40, 40526), (46, 35240), (80, 20263), (92, 17620), (115, 14096), (184, 8810), (230, 7048), (368, 4405), (460, 3524), (881, 1840), (920, 1762)]