79988920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1699}}^1$

素因数の和:1828

約数の個数: 64

約数和(自身を含む): 198288000

約数和(自身を除く): 118299080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 428, 440, 535, 856, 1070, 1177, 1699, 2140, 2354, 3398, 4280, 4708, 5885, 6796, 8495, 9416, 11770, 13592, 16990, 18689, 23540, 33980, 37378, 47080, 67960, 74756, 93445, 149512, 181793, 186890, 363586, 373780, 727172, 747560, 908965, 1454344, 1817930, 1999723, 3635860, 3999446, 7271720, 7998892, 9998615, 15997784, 19997230, 39994460, 79988920]

約数ペア:

[(1, 79988920), (2, 39994460), (4, 19997230), (5, 15997784), (8, 9998615), (10, 7998892), (11, 7271720), (20, 3999446), (22, 3635860), (40, 1999723), (44, 1817930), (55, 1454344), (88, 908965), (107, 747560), (110, 727172), (214, 373780), (220, 363586), (428, 186890), (440, 181793), (535, 149512), (856, 93445), (1070, 74756), (1177, 67960), (1699, 47080), (2140, 37378), (2354, 33980), (3398, 23540), (4280, 18689), (4708, 16990), (5885, 13592), (6796, 11770), (8495, 9416)]