156904340

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{15413}}^1$

素因数の和:15931

約数の個数: 24

約数和(自身を含む): 330167880

約数和(自身を除く): 173263540

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 15413, 30826, 61652, 77065, 154130, 308260, 7845217, 15690434, 31380868, 39226085, 78452170, 156904340]

約数ペア:

[(1, 156904340), (2, 78452170), (4, 39226085), (5, 31380868), (10, 15690434), (20, 7845217), (509, 308260), (1018, 154130), (2036, 77065), (2545, 61652), (5090, 30826), (10180, 15413)]