8779240

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1579}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 19908000

約数和(自身を除く): 11128760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 1579, 2780, 3158, 5560, 6316, 7895, 12632, 15790, 31580, 63160, 219481, 438962, 877924, 1097405, 1755848, 2194810, 4389620, 8779240]

約数ペア:

[(1, 8779240), (2, 4389620), (4, 2194810), (5, 1755848), (8, 1097405), (10, 877924), (20, 438962), (40, 219481), (139, 63160), (278, 31580), (556, 15790), (695, 12632), (1112, 7895), (1390, 6316), (1579, 5560), (2780, 3158)]