25296470

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 47187360

約数和(自身を除く): 21890890

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 661, 890, 1322, 3305, 3827, 6610, 7654, 19135, 28423, 38270, 56846, 58829, 117658, 142115, 284230, 294145, 588290, 2529647, 5059294, 12648235, 25296470]

約数ペア:

[(1, 25296470), (2, 12648235), (5, 5059294), (10, 2529647), (43, 588290), (86, 294145), (89, 284230), (178, 142115), (215, 117658), (430, 58829), (445, 56846), (661, 38270), (890, 28423), (1322, 19135), (3305, 7654), (3827, 6610)]