203433880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{391219}}^1$

素因数の和:391243

約数の個数: 32

約数和(自身を含む): 492937200

約数和(自身を除く): 289503320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 391219, 782438, 1564876, 1956095, 3129752, 3912190, 5085847, 7824380, 10171694, 15648760, 20343388, 25429235, 40686776, 50858470, 101716940, 203433880]

約数ペア:

[(1, 203433880), (2, 101716940), (4, 50858470), (5, 40686776), (8, 25429235), (10, 20343388), (13, 15648760), (20, 10171694), (26, 7824380), (40, 5085847), (52, 3912190), (65, 3129752), (104, 1956095), (130, 1564876), (260, 782438), (520, 391219)]