77527720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1153}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 178950780

約数和(自身を除く): 101423060

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1153, 1640, 1681, 2306, 3362, 4612, 5765, 6724, 8405, 9224, 11530, 13448, 16810, 23060, 33620, 46120, 47273, 67240, 94546, 189092, 236365, 378184, 472730, 945460, 1890920, 1938193, 3876386, 7752772, 9690965, 15505544, 19381930, 38763860, 77527720]

約数ペア:

[(1, 77527720), (2, 38763860), (4, 19381930), (5, 15505544), (8, 9690965), (10, 7752772), (20, 3876386), (40, 1938193), (41, 1890920), (82, 945460), (164, 472730), (205, 378184), (328, 236365), (410, 189092), (820, 94546), (1153, 67240), (1640, 47273), (1681, 46120), (2306, 33620), (3362, 23060), (4612, 16810), (5765, 13448), (6724, 11530), (8405, 9224)]