25811980

素因数分解:

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

素因数の和:56145

約数の個数: 24

約数和(自身を含む): 56562912

約数和(自身を除く): 30750932

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 56113, 112226, 224452, 280565, 561130, 1122260, 1290599, 2581198, 5162396, 6452995, 12905990, 25811980]

約数ペア:

[(1, 25811980), (2, 12905990), (4, 6452995), (5, 5162396), (10, 2581198), (20, 1290599), (23, 1122260), (46, 561130), (92, 280565), (115, 224452), (230, 112226), (460, 56113)]