40223990

素因数分解:

$2^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{6217}}^1$

素因数の和:6871

約数の個数: 16

約数和(自身を含む): 72526752

約数和(自身を除く): 32302762

約数列:

[1, 2, 5, 10, 647, 1294, 3235, 6217, 6470, 12434, 31085, 62170, 4022399, 8044798, 20111995, 40223990]

約数ペア:

[(1, 40223990), (2, 20111995), (5, 8044798), (10, 4022399), (647, 62170), (1294, 31085), (3235, 12434), (6217, 6470)]