12154760

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1097}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 27471960

約数和(自身を除く): 15317200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1097, 1108, 1385, 2194, 2216, 2770, 4388, 5485, 5540, 8776, 10970, 11080, 21940, 43880, 303869, 607738, 1215476, 1519345, 2430952, 3038690, 6077380, 12154760]

約数ペア:

[(1, 12154760), (2, 6077380), (4, 3038690), (5, 2430952), (8, 1519345), (10, 1215476), (20, 607738), (40, 303869), (277, 43880), (554, 21940), (1097, 11080), (1108, 10970), (1385, 8776), (2194, 5540), (2216, 5485), (2770, 4388)]