145455440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139861}}^1$

素因数の和:139887

約数の個数: 40

約数和(自身を含む): 364200648

約数和(自身を除く): 218745208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 139861, 279722, 559444, 699305, 1118888, 1398610, 1818193, 2237776, 2797220, 3636386, 5594440, 7272772, 9090965, 11188880, 14545544, 18181930, 29091088, 36363860, 72727720, 145455440]

約数ペア:

[(1, 145455440), (2, 72727720), (4, 36363860), (5, 29091088), (8, 18181930), (10, 14545544), (13, 11188880), (16, 9090965), (20, 7272772), (26, 5594440), (40, 3636386), (52, 2797220), (65, 2237776), (80, 1818193), (104, 1398610), (130, 1118888), (208, 699305), (260, 559444), (520, 279722), (1040, 139861)]