2008161140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{12689}}^1$

素因数の和:12932

約数の個数: 48

約数和(自身を含む): 4342721040

約数和(自身を除く): 2334559900

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 193, 205, 386, 410, 772, 820, 965, 1930, 3860, 7913, 12689, 15826, 25378, 31652, 39565, 50756, 63445, 79130, 126890, 158260, 253780, 520249, 1040498, 2080996, 2448977, 2601245, 4897954, 5202490, 9795908, 10404980, 12244885, 24489770, 48979540, 100408057, 200816114, 401632228, 502040285, 1004080570, 2008161140]

約数ペア:

[(1, 2008161140), (2, 1004080570), (4, 502040285), (5, 401632228), (10, 200816114), (20, 100408057), (41, 48979540), (82, 24489770), (164, 12244885), (193, 10404980), (205, 9795908), (386, 5202490), (410, 4897954), (772, 2601245), (820, 2448977), (965, 2080996), (1930, 1040498), (3860, 520249), (7913, 253780), (12689, 158260), (15826, 126890), (25378, 79130), (31652, 63445), (39565, 50756)]