105420920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{911}}^1$

素因数の和:1196

約数の個数: 64

約数和(自身を含む): 260029440

約数和(自身を除く): 154608520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 263, 440, 526, 911, 1052, 1315, 1822, 2104, 2630, 2893, 3644, 4555, 5260, 5786, 7288, 9110, 10021, 10520, 11572, 14465, 18220, 20042, 23144, 28930, 36440, 40084, 50105, 57860, 80168, 100210, 115720, 200420, 239593, 400840, 479186, 958372, 1197965, 1916744, 2395930, 2635523, 4791860, 5271046, 9583720, 10542092, 13177615, 21084184, 26355230, 52710460, 105420920]

約数ペア:

[(1, 105420920), (2, 52710460), (4, 26355230), (5, 21084184), (8, 13177615), (10, 10542092), (11, 9583720), (20, 5271046), (22, 4791860), (40, 2635523), (44, 2395930), (55, 1916744), (88, 1197965), (110, 958372), (220, 479186), (263, 400840), (440, 239593), (526, 200420), (911, 115720), (1052, 100210), (1315, 80168), (1822, 57860), (2104, 50105), (2630, 40084), (2893, 36440), (3644, 28930), (4555, 23144), (5260, 20042), (5786, 18220), (7288, 14465), (9110, 11572), (10021, 10520)]