81886220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6701}}^1$

素因数の和:6770

約数の個数: 48

約数和(自身を含む): 189157248

約数和(自身を除く): 107271028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 6701, 12220, 13402, 26804, 33505, 67010, 87113, 134020, 174226, 314947, 348452, 435565, 629894, 871130, 1259788, 1574735, 1742260, 3149470, 4094311, 6298940, 8188622, 16377244, 20471555, 40943110, 81886220]

約数ペア:

[(1, 81886220), (2, 40943110), (4, 20471555), (5, 16377244), (10, 8188622), (13, 6298940), (20, 4094311), (26, 3149470), (47, 1742260), (52, 1574735), (65, 1259788), (94, 871130), (130, 629894), (188, 435565), (235, 348452), (260, 314947), (470, 174226), (611, 134020), (940, 87113), (1222, 67010), (2444, 33505), (3055, 26804), (6110, 13402), (6701, 12220)]