28038260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 62318592

約数和(自身を除く): 34280332

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1103, 1271, 2206, 2542, 4412, 5084, 5515, 6355, 11030, 12710, 22060, 25420, 34193, 45223, 68386, 90446, 136772, 170965, 180892, 226115, 341930, 452230, 683860, 904460, 1401913, 2803826, 5607652, 7009565, 14019130, 28038260]

約数ペア:

[(1, 28038260), (2, 14019130), (4, 7009565), (5, 5607652), (10, 2803826), (20, 1401913), (31, 904460), (41, 683860), (62, 452230), (82, 341930), (124, 226115), (155, 180892), (164, 170965), (205, 136772), (310, 90446), (410, 68386), (620, 45223), (820, 34193), (1103, 25420), (1271, 22060), (2206, 12710), (2542, 11030), (4412, 6355), (5084, 5515)]