201456880

素因数分解:

$2^4\times 5^1\times {\mathrm{2518211}}^1$

素因数の和:2518224

約数の個数: 20

約数和(自身を含む): 468387432

約数和(自身を除く): 266930552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2518211, 5036422, 10072844, 12591055, 20145688, 25182110, 40291376, 50364220, 100728440, 201456880]

約数ペア:

[(1, 201456880), (2, 100728440), (4, 50364220), (5, 40291376), (8, 25182110), (10, 20145688), (16, 12591055), (20, 10072844), (40, 5036422), (80, 2518211)]