11390240

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 27111672

約数和(自身を除く): 15721432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 277, 514, 554, 1028, 1108, 1285, 1385, 2056, 2216, 2570, 2770, 4112, 4432, 5140, 5540, 8224, 8864, 10280, 11080, 20560, 22160, 41120, 44320, 71189, 142378, 284756, 355945, 569512, 711890, 1139024, 1423780, 2278048, 2847560, 5695120, 11390240]

約数ペア:

[(1, 11390240), (2, 5695120), (4, 2847560), (5, 2278048), (8, 1423780), (10, 1139024), (16, 711890), (20, 569512), (32, 355945), (40, 284756), (80, 142378), (160, 71189), (257, 44320), (277, 41120), (514, 22160), (554, 20560), (1028, 11080), (1108, 10280), (1285, 8864), (1385, 8224), (2056, 5540), (2216, 5140), (2570, 4432), (2770, 4112)]