80779600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1669}}^1$

素因数の和:1709

約数の個数: 90

約数和(自身を含む): 213447710

約数和(自身を除く): 132668110

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 275, 400, 440, 484, 550, 605, 880, 968, 1100, 1210, 1669, 1936, 2200, 2420, 3025, 3338, 4400, 4840, 6050, 6676, 8345, 9680, 12100, 13352, 16690, 18359, 24200, 26704, 33380, 36718, 41725, 48400, 66760, 73436, 83450, 91795, 133520, 146872, 166900, 183590, 201949, 293744, 333800, 367180, 403898, 458975, 667600, 734360, 807796, 917950, 1009745, 1468720, 1615592, 1835900, 2019490, 3231184, 3671800, 4038980, 5048725, 7343600, 8077960, 10097450, 16155920, 20194900, 40389800, 80779600]

約数ペア:

[(1, 80779600), (2, 40389800), (4, 20194900), (5, 16155920), (8, 10097450), (10, 8077960), (11, 7343600), (16, 5048725), (20, 4038980), (22, 3671800), (25, 3231184), (40, 2019490), (44, 1835900), (50, 1615592), (55, 1468720), (80, 1009745), (88, 917950), (100, 807796), (110, 734360), (121, 667600), (176, 458975), (200, 403898), (220, 367180), (242, 333800), (275, 293744), (400, 201949), (440, 183590), (484, 166900), (550, 146872), (605, 133520), (880, 91795), (968, 83450), (1100, 73436), (1210, 66760), (1669, 48400), (1936, 41725), (2200, 36718), (2420, 33380), (3025, 26704), (3338, 24200), (4400, 18359), (4840, 16690), (6050, 13352), (6676, 12100), (8345, 9680)]