4006405.00000000

素因数分解:

$2^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1583}}^1$

素因数の和:2471

約数の個数: 16

約数和(自身を含む): 25147584

約数和(自身を除く): 11201354

約数列:

[1, 2, 5, 10, 881, 1583, 1762, 3166, 4405, 7915, 8810, 15830, 1394623, 2789246, 6973115, 13946230]

約数ペア:

[(1, 13946230), (2, 6973115), (5, 2789246), (10, 1394623), (881, 15830), (1583, 8810), (1762, 7915), (3166, 4405)]