205874120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6607}}^1$

素因数の和:6678

約数の個数: 64

約数和(自身を含む): 499564800

約数和(自身を除く): 293690680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 3116, 3895, 6232, 6607, 7790, 13214, 15580, 26428, 31160, 33035, 52856, 66070, 125533, 132140, 251066, 264280, 270887, 502132, 541774, 627665, 1004264, 1083548, 1255330, 1354435, 2167096, 2510660, 2708870, 5021320, 5146853, 5417740, 10293706, 10835480, 20587412, 25734265, 41174824, 51468530, 102937060, 205874120]

約数ペア:

[(1, 205874120), (2, 102937060), (4, 51468530), (5, 41174824), (8, 25734265), (10, 20587412), (19, 10835480), (20, 10293706), (38, 5417740), (40, 5146853), (41, 5021320), (76, 2708870), (82, 2510660), (95, 2167096), (152, 1354435), (164, 1255330), (190, 1083548), (205, 1004264), (328, 627665), (380, 541774), (410, 502132), (760, 270887), (779, 264280), (820, 251066), (1558, 132140), (1640, 125533), (3116, 66070), (3895, 52856), (6232, 33035), (6607, 31160), (7790, 26428), (13214, 15580)]