12905990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{56113}}^1$

素因数の和:56143

約数の個数: 16

約数和(自身を含む): 24241248

約数和(自身を除く): 11335258

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 56113, 112226, 280565, 561130, 1290599, 2581198, 6452995, 12905990]

約数ペア:

[(1, 12905990), (2, 6452995), (5, 2581198), (10, 1290599), (23, 561130), (46, 280565), (115, 112226), (230, 56113)]