31729220

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6173}}^1$

素因数の和:6439

約数の個数: 24

約数和(自身を含む): 66901464

約数和(自身を除く): 35172244

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 6173, 12346, 24692, 30865, 61730, 123460, 1586461, 3172922, 6345844, 7932305, 15864610, 31729220]

約数ペア:

[(1, 31729220), (2, 15864610), (4, 7932305), (5, 6345844), (10, 3172922), (20, 1586461), (257, 123460), (514, 61730), (1028, 30865), (1285, 24692), (2570, 12346), (5140, 6173)]