4993390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 9707040

約数和(自身を除く): 4713650

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 641, 779, 1282, 1558, 3205, 3895, 6410, 7790, 12179, 24358, 26281, 52562, 60895, 121790, 131405, 262810, 499339, 998678, 2496695, 4993390]

約数ペア:

[(1, 4993390), (2, 2496695), (5, 998678), (10, 499339), (19, 262810), (38, 131405), (41, 121790), (82, 60895), (95, 52562), (190, 26281), (205, 24358), (410, 12179), (641, 7790), (779, 6410), (1282, 3895), (1558, 3205)]