131648360

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{6871}}^1$

素因数の和:7361

約数の個数: 32

約数和(自身を含む): 296870400

約数和(自身を除く): 165222040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4790, 6871, 9580, 13742, 19160, 27484, 34355, 54968, 68710, 137420, 274840, 3291209, 6582418, 13164836, 16456045, 26329672, 32912090, 65824180, 131648360]

約数ペア:

[(1, 131648360), (2, 65824180), (4, 32912090), (5, 26329672), (8, 16456045), (10, 13164836), (20, 6582418), (40, 3291209), (479, 274840), (958, 137420), (1916, 68710), (2395, 54968), (3832, 34355), (4790, 27484), (6871, 19160), (9580, 13742)]