260525920

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7717}}^1$

素因数の和:7943

約数の個数: 48

約数和(自身を含む): 618489648

約数和(自身を除く): 357963728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 6752, 7717, 8440, 15434, 16880, 30868, 33760, 38585, 61736, 77170, 123472, 154340, 246944, 308680, 617360, 1234720, 1628287, 3256574, 6513148, 8141435, 13026296, 16282870, 26052592, 32565740, 52105184, 65131480, 130262960, 260525920]

約数ペア:

[(1, 260525920), (2, 130262960), (4, 65131480), (5, 52105184), (8, 32565740), (10, 26052592), (16, 16282870), (20, 13026296), (32, 8141435), (40, 6513148), (80, 3256574), (160, 1628287), (211, 1234720), (422, 617360), (844, 308680), (1055, 246944), (1688, 154340), (2110, 123472), (3376, 77170), (4220, 61736), (6752, 38585), (7717, 33760), (8440, 30868), (15434, 16880)]