105640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 252000

約数和(自身を除く): 146360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 278, 380, 556, 695, 760, 1112, 1390, 2641, 2780, 5282, 5560, 10564, 13205, 21128, 26410, 52820, 105640]

約数ペア:

[(1, 105640), (2, 52820), (4, 26410), (5, 21128), (8, 13205), (10, 10564), (19, 5560), (20, 5282), (38, 2780), (40, 2641), (76, 1390), (95, 1112), (139, 760), (152, 695), (190, 556), (278, 380)]